air at 30,000 feet is at a temperature of -35.0 c. a sample of air was collected and the mixture is 75.56% nitrogen, 23.15% oxygen and 1.29% argon (percentages are by mass). if .594 moles of air are captured in a 45.0 l container from a plane flying at 30000 feet:
The 0.594 moles of the air were collected from plane flying at the altitude of the height 30,000 feet and is at the temperature of - 35 °C.
The total moles of the air in the container = 45.0 L × (1.00 mol/22.4 L)
= 2.01 mol.
The sample contains the 75.56% nitrogen, 23.15% oxygen, and 1.29% argon, the moles of each are:
Moles of Nitrogen = 0.7556 × 2.01 mol
= 1.52 mol
Moles of Oxygen = 0.2315 × 2.01 mol
= 0.46 mol
Moles of Argon = 0.0129 × 2.01 mol
= 0.03 mol
The difference between the total number moles and the number moles of the nitrogen, the oxygen, and the argon:
Air = 2.01 mol - 1.52 mol - 0.46 mol - 0.03 mol
= 0.594 mol
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Calcium reacts with zinc carbonate in a single replacement reaction in order to produce calcium carbonate zinc. If you have 128 grams of calcium and 392 grams of zinc carbonate and you end up producing 304 grams of calcium carbonate, how many grams of zinc are also made
The mass of zinc is made from the single replacement reaction of calcium and zinc carbonate in order to produce calcium carbonate and zinc is 198 g.
What mass of zinc is made from the single replacement reaction of calcium and zinc carbonate in order to produce calcium carbonate and zinc?The mass of zinc is made from the single replacement reaction of calcium and zinc carbonate in order to produce calcium carbonate and zinc is calculated from the equation of reaction given as follows:
Ca (s) + ZnCO₃ (s) ----> CaCO₃ (s) + Zn (s)
The molar mass of Calciym = 40 g/mol
The molar mass of Calcium carbonate = 100 g/mol
The molar mass of Zinc = 65 g/mol
The molar mass of Zinc carbonate = 125 g/mol
Moles of calcium carbonate produced = 304/100
Moles of calcium carbonate produced = 3.04
Mass of Zinc produced = 3.04 * 65
Mass of Zinc produced = 198 g
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Which of the following is true regarding ATP hydrolysis in erythrocytes? Hint: compare the Keq to the ratio of the concentrations of products to reactants in the cell. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b Energy and Thermodynamics A.The reaction is at equilibrium. B.The reaction is close to equilibrium. C.The reaction is far from equilibrium; there are more products and fewer reactants in the cell than expected at equilibrium. D.The reaction is far from equilibrium; there are more reactants and fewer products in the cell than expected at equilibrium
Considering ATP hydrolysis in erythrocytes, the reactions is far removed from homeostasis; there are more metabolites and fewer heterogeneous catalysts in the cell than would be predicted at equilibrium.
A hydrolysis reaction: what is it?The term "hydrolysis" refers to the breaking of covalent bonding but by addition of sodium and describes the response of an organic compound with water to produce two maybe more new chemicals. The process by which your body separates food into its nutrient components is known as hydrolysis.
What happens during hydrolysis?A process called hydrolyzed involves the chemical inclusion of water while a molecule is separated into smaller ones. Enzymes that accelerate hydrolysis are present in almost all cells, but the liver has the largest levels of these enzymes.
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Write the empirical formula for at least four ionic compounds that could be formed from the following ions: SO_4^2-, Fe^2+, MnO_4^-, Pb^4+
The four ionic compounds formed are FeSO₄ (Iron (II) sulfate), MnSO₄ (Manganese (IV) sulfate), PbSO₄ (Lead (IV) sulfate), Pb(MnO₄)₂ (Lead (IV) permanganate).
FeSO₄, also known as iron (II) sulfate, is an ionic compound that is formed from the combination of the iron (II) cation (Fe²⁺) and the sulfate anion (SO₄²⁻). This compound is often used as a source of iron in fertilizers and as a coagulant in water treatment. SO₄²- + Fe²+ = FeSO₄ (Iron (II) sulfate)
MnSO₄, also known as manganese (IV) sulfate, is an ionic compound that is formed from the combination of the manganese (IV) cation (MnO₄⁻) and the sulfate anion (SO4²⁻). This compound is often used in the production of fertilizers, ceramics and other industrial applications. SO₄²⁻ + MnO₄⁻ = MnSO₄ (Manganese (IV) sulfate)
PbSO₄, also known as lead (IV) sulfate, is an ionic compound that is formed from the combination of the lead (IV) cation (Pb⁴⁺) and the sulfate anion (SO₄²⁻). This compound is often used in the production of paint and ceramic glazes. Pb⁴⁺ + SO₄²⁻ = PbSO₄ (Lead (IV) sulfate)
Pb(MnO₄)₂, also known as lead (IV) permanganate, is an ionic compound that is formed from the combination of the lead (IV) cation (Pb⁴⁺) and the permanganate anion (MnO₄⁻). This compound is used as an oxidizing agent in laboratory and industrial settings. Pb⁴⁺ + MnO⁴⁻ = Pb(MnO₄)₂ (Lead (IV) permanganate)
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The biological function of penicillin, the famous antibiotic responsible for saving countless lives in World War II, stems primarily from the reactivity of which of the following functional groups? A. Sulfide
B. Cyclic amide C. Carboxylic acid D. Acyclic amide
Option C: carboxylic group is the functional group in the penicillin antibiotic that saves countless lives in World War II.
The study of penicillin's bacteria-killing properties, discovered by Alexander Fleming in 1928, continued. Penicillin, when isolated as a liquid, could be injected into the human bloodstream, where it would attack harmful bacteria while leaving healthy human cells alone. The fused beta-lactam structure, a free carboxyl acid group, and one or more substituted amino acid side chains are the three fundamental structural requirements for penicillin. By 1941, the more potent drug was available in injectable form to soldiers. Thus, option C is the relevant answer.
Gerhard Domagk, a German scientist, announced the development of Prontosil, the first sulfonamide drug, in 1932. Sulfonamides are chemicals that have antibacterial properties. Soldiers could carry these antibiotics, known as "sulfa drugs," in powdered and tablet form, in their medical kits, where they could treat bacterial infections such as streptococcal pneumonia, meningitis, and sepsis.
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b. according to e.f. codd, who theorized the concept of the relational model, the actual value for the combination of attribute name and type must be atomic.
Yes, according to E.F. Codd, the relational model's founder, the values in a relational database must be atomic, which means indivisible and indestructible. This means that each attribute value,
must represent a single, indivisible unit of data and cannot be subdivided. This guarantees that each attribute value may be viewed as a distinct object and edited and processed as such. Along with domain independence and normalization, the idea of atomicity is one of the basic concepts of the relational model.This means that each attribute value must represent a single, indivisible unit of data and cannot be subdivided. This guarantees that each attribute value may be viewed as a distinct object and edited and processed as such. ccording to e.f. codd, who theorized the concept of the relational model, the actual value for the combination of attribute name and type must be atomic.
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4.) What % of the original atoms remained after 8 trials?
The remaining percentage of the original radioactive atoms is 321100=3. 125%.
What percentage of radioactive substance remains after ten half-lives?We have 12.5 percent left after another six hours. Only 0.1% of the radioactivity is left after ten half-lives. Three different half-lives are available.More than 99 percent of an atom's volume is actually empty space when protons, neutrons, and electrons are taken into account.According to current estimates, hydrogen makes up 90% of all atoms in the universe and is crucial to the existence of the material world.Therefore, 50% of the original parent nuclei are still there after one half-life; 25% are still present after two half-lives; and so on. A radioactive source's half-life and the initial quantity of radioactive atoms present affect the radiation's intensity.To learn more about percentage refer to:
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1. 50 cm³ of 0.5 l/dm³ MagH solution and 50cm²³
Assignment
of O-Sund Idm HNOS
were mixed at 20°C and Stirred
calorimeter with negligible heat capacity. The
temperature
of each solution is 10g|am³ and the specific heat capauly
of the muxture rose to 23-2°C. The density
of each solution is 4-18 J|K|g. Calculate:
1. The enthalpy for the neutralization.
in enthalpy per mole of water.
Calculate the change
formed
2. Given the following reactions and their respective.
enthalpy changes:
C3Hg) +50₂
3 CO₂ + 4H₂016 AH = -2213kJlmol
Cs) + O₂cy CO₂51; OH = -393-7 kJ/mol
H₂₂) + ≤0₂19 → H₂O(1) AH = -285.9 kJ/mol
→
Calculate DH for the Chemical reaction:
3 Col + 4H₂g)
→
C3 Hz (g)
= XkJ lugl
100 Cc of 40°C Water is Contained in a Calorimeter with Negligible Heat Capacity. It takes 5 minutes for the water to cool to 35°C.
What does negligible heat capacity mean?Since the vessel has a very low heat capacity, you can conclude that the water is gaining all of the heat that the copper is losing. Decide on q=mc*deltaT for the copper and water, and then compare the temperatures.They can't be negative, though. How much energy must be added in order to raise a substance's temperature by a specific amount is known as its heat capacity. Since this is endothermic, it must be advantageous.In a calorimetric measurement, either (a) a process that is exothermic occurs and heat (q), which is negative, indicating that thermal energy is transferred from the system to its surroundings, or (b) a process that is endothermic occurs and heat (q), which is positive, indicating that thermal energy is transferred from the surroundings to.To learn more about Calorimeter refer to:
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NO(g) and O2 (9) react to form NO2(9). The rate law of the reaction is rate = k[NO]° [02]. If the reaction occurs in a single elementary step that is a three-body molecular collision, then which of the following is the equation for the elementary step? A. N+0+0+ NO2 B. 2 NO + O2 + 2 NO2 C. N + O2 + NO2 D. N2 + 2 O2 + 2 NO2
If the reaction occurs in the single elementary step that is the three-body molecular collision, then the equation for the elementary step is :
2NO + O₂ -----> 2NO₂
The rate law of the reaction is given as :
Rate law = k [NO]² [O₂]
The rate law shows that how the rate of the chemical reaction depends on the concentration reactant. The Rate laws shows the mathematical description that how the changes in the amount of the substance affect the rate of the chemical reaction.
Therefore, The equation for the elementary step is given as below :
2NO + O₂ -----> 2NO₂
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Two students are making models of cells in plants and animals. They choose an expanding and shrinking rubber band to show how one type of cell acts. Which type of cell does the rubber band best model?
Plant cells contain two elements: a cell wall and a cell membrane. In plants, the cell wall covers the cell membrane. This gives the plant cell its distinct rectangular shape.
For which cell types is the rubber band model best suited?A rubber band is a loop of rubber, usually a ring or oval, commonly used to hold multiple objects together.Elasticity: The molecular structure. of rubber materials allows them to return to their original shape after being compressed or stretched.This property is evident in rubber bands.Other rubber products may contain synthetic rubber, but most rubber bands are primarily made from natural rubber due to its excellent elasticity. Natural rubber is made from the milky sap obtained by tapping the bark layer of rubber trees.To learn more about rubber band from the given link:
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6. Mr. K is trying to identify a white crystal he found this summer by determining the density of it. He placed it on a scale and it massed out at 51.00 grams. When he placed it in 50.0 mL of water, the level rose to 61.4 mL. What is the density of the white crystal?
The density of the white crystal is 4.48 g/cm³.
What is Density?
Density is defined as the measure of mass per unit volume of a substance, where the measure of a pure substance is proportional to its mass concentration. Densities are the measure of relative compactness whose definition of this measure can be expressed as mass, m, in a particular volume, v.
ρ = m/V
where, ρ = density, kg/m3, or g/(cm)3
m = mass, in kg or g
V = volume, in m3 or (cm)3
For above given information,
Mass of white crystal = 51.00g
Volume of water = 50.0 mL
Volume of water + white crystal = 61.4 mL
First of all we will calculate the volume of white crystal.
Volume of white crystal= (volume of water + white crystal) - Volume of water
Volume of white crystal= 61.4 mL - 50.0 mL
Volume of white crystal= 11.4 mL
Density of white crystal:
d = m/v
d = 51.00 g / 11.4 mL
d = 4.48 g/cm³ (i.e. 1mL = 1 cm³ )
Thus, the density of the white crystal is 4.48 g/cm³.
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T/F an acid is a substance that donates protons when dissolved in water and a base is a substance that accepts protons when it dissolves in water.
The statement is true that acid is a substance that donates protons when dissolved in water and a base is a substance that accepts protons when dissolved in water.
Chemical substances are classified into three types based on nature. They are acids, bases, and neutral substances. Lewis and Bronsted are the two theories that classified chemical substances.Lewis theory is based on electron pairs and the Lowry and Bronsted concept is based on the proton.Lewis theory was discovered by scientist Lewis and this theory is based on electron pairs.Any chemical substance that can accept an electron pair is known as an acid or lewis acid.Any chemical substance that can donate an electron pair is known as a base or lewis base.Lowry and Bronsted theory is based on protons.Any chemical substance that can donate a proton is known as an acid or Bronsted acid.Any chemical substance that can accept a proton is known as base or Bronsted base.Thus, from these two theories, an acid is a substance that can accept an electron pair and donate a proton.Go through the given link below to know more about acid:-
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how many moles of Fe2O3 will react with 99.0 g of Al
Taking into account the reaction stoichiometry, 1.83 moles of Fe₂O₃ will react with 99.0 g of Al
Reaction stoichiometryIn first place, the balanced reaction is:
2 Al + Fe₂O₃ → Al₂O₃ + 2 Fe
By reaction stoichiometry, the following amounts of moles of each compound participate in the reaction:
Al: 2 molesFe₂O₃: 1 moleAl₂O₃: 1 moleFe: 2 molesThe molar mass of the compounds is:
Al: 27 g/moleFe₂O₃: 159.7 g/moleAl₂O₃: 102 g/moleFe: 55.85 g/moleBy reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
Al: 2 moles ×27 g/mole= 54 gramsFe₂O₃: 1 mole ×159.7 g/mole= 159.7 gramsAl₂O₃: 1 mole ×102 g/mole= 102 gramsFe: 2 moles ×55.85 g/mole= 111.7 gramsMass of Fe₂O₃ requiredIt is possible to use a simple rule of three as follows: If by reaction stoichiometry 54 grams of Al react with 1 mole of Fe₂O₃, 99 grams of Al react with how many moles of Fe₂O₃?
moles of Fe₂O₃= (99 grams of Al ×1 mole of Fe₂O₃)÷54 grams of Al
moles of Fe₂O₃= 1.83 moles
Finally, 1.83 moles of Fe₂O₃ is needed.
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which of the following acids will have the strongest conjugate base? A. hcn B. h2so4 C. hclo4 D. hi E. nacl
The acidity of HCN is very low. As a result, the conjugate base formed by it is the strongest.
In the framework of the Bronsted–Lowry acid–base theory, a conjugate acid is a chemical compound that is produced when an acid transfers a proton (H⁺) to a base. To put it another way, a conjugate acid is a base that has an additional hydrogen ion attached to it, whereas, in the opposite reaction, a base would lose a hydrogen ion.
On the other hand, a conjugate base is the byproduct of a chemical reaction that occurs after an acid has given up a proton in order to complete the reaction. Therefore, a conjugate base is a species that is created when a proton is removed from an acid. This is because the conjugate base is capable of gaining a hydrogen ion in the reverse process. Because some acids are able to release numerous protons, the conjugate base of acid may itself be acidic. This is due to the fact that some acids have this ability.
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"ElementElectronegativityH2.1C2.5S2.54.0FCI3.0Si1.8On the basis of the information above, which of the following arranges the binary compounds in order of increasing bond polarity? A. CH4
On the basis of the information above, the binary compounds in order of increasing bond polarity are CH4 < SiCl4 < SF4.
Definition of Binary CompoundsBinary compounds are forms of compounds that are processed from two elemental components. The elements that can form binary compounds can be metal elements and non-metallic elements. In addition, the constituent elements can also come from both.
The elements of a binary compound are:
Non-Metal Elements: C,H,O,N,S,P,F,Cl,Br,I,At,B,Be etc.
Elements Metals Similar oxidation numbers : IA : Li, Na, K, Rb, Cs, Fr and IIA : Be, Mg, Ca, Sr, Ba, Ra and Al, Zn, Ag and so on.
Metal elements with more than one oxidation number: Fe, Cu, Cr, Co, Ni, Pb, Sn, V, Mn, Hg, Pt, Au, Sc, Ti, and so on.
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In the OSI Model, which of the following functions are performed at the Application Layer? (select All that apply)
- Data translation
- Enabling communication between network clients and services
- Conversation Identification
- Integration of network functionality into the host operating system.
B: "Enabling communication between network clients and network services and D: "integration of network functionality with the host operating system" are the functions of the Application Layer in the OSI Model.
The Application Layer is the seventh and highest layer of the OSI (Open Systems Interconnection) Model. It is responsible for providing the interface between the application software and the network. The application layer provides the services that support the use of the network by the application programs. It is the layer at which the user interacts with the network and is the point at which the network becomes application-specific.
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convert 3.63 days into seconds
Answer: 313,632 seconds
Explanation:
A microwave oven operates at 2.80 GHz
. What is the wavelength of the radiation produced by this appliance
The wavelength of the radiation produced by a microwave oven that operates at 2.80 GHz is 0.107 m or 107 mm.
What is wavelength of the radiation?This refers to the distance between two crests. It is measured in length units like nanometers, centimeters, or meters. Wavelength is represented by the Greek lowercase letter lambda, λ.
Solving for the wavelength of the radiation:
The wavelength of the radiation produced by a microwave oven that operates at 2.80 GHzcan be calculated using the formula
wavelength, λ = speed of light (c) / frequency (f).
c = 3 x 10⁸ m/s
f = 2.8 x 10⁹ Hz
In this case, the wavelength would be approximately:
wavelength = ( 3 x 10⁸ m/s)
(2.8 x 10⁹ Hz)
= (3/2.8) x 10⁻¹ m
= 1.07 x 10⁻¹ m
wavelength = 0.107 m or 107 mm.
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4. SEP Identify Patterns Would you expect beryllium salts to be more or less soluble than strontium salts? I would expect beryllium salts to be
Beryllium as well as its salts are soluble in a variety of solutions in water, including chloride, phosphate, & sulfate. Other substances, including beryl and beryllium oxide, are either insoluble or merely marginally soluble.
What are the three purposes of beryllium?The following industries employ end products1 that contain beryllium and beryllium compounds: brakes, engines, satellites, and space telescopes for aerospace vehicles systems and ignitions for automobiles rocket cover and semiconductor chip fabrication ceramic
Which three salts are they?Salts can be classified as acidic, basic, neutral, or double salts, among others. "Acidic Salt" is the name given to a salt which is created when a strong acid and a weak base react.
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What is the formula for cobalt(II) sulfide?
Answer:
CoS
Explanation:
Both have valenciés of 2
According to statistics from the Centers for Disease Control, the number of deaths by
AIDS has dropped; however, the slowing decline concerns experts. Considering the data
about new AIDS cases provided in the circle graph, what conclusion can be drawn about
the AIDS epidemic in 2000?
A. AIDS medications are powerful and extremely successful.
B. Most people are not concerned about AIDS.
C. All races are equally affected by the AIDS epidemic.
OD. Many people are still misinformed about the severity of AIDS.
E. More children and teenagers are affected by AIDS than adults.
Answer:
E. More people from African American ethnic group is affected by AIDS than other groups.
Explanation:
because it is supported by the data provided in the circle graph. The graph shows that 48% of new AIDS cases in 2000 were in the African American population, while only 31% were in the white population and 20% were in the Hispanic population. This indicates that a disproportionate number of African Americans were affected by the AIDS epidemic in 2000. While option D "Many people are still misinformed about the severity of AIDS" is a possible conclusion, but it is not directly stated or implied by the data provided in the graph.
What is the percent by mass of barium in BaCl₂?
The percent by mass of barium in BaCl₂ is 34.09%.
How to calculate percentage by mass?The percentage by mass of an element in a compound can be calculated by dividing the mass of the element in 1 mole of the compound by the compound's molar mass and multiply the result by 100.
Percentage by mass = mass of element/mass of compound × 100
According to this question, a compound with the chemical formula BaCl₂ can be calculated as follows:
Molar mass of barium chloride = 208.23 g/mol
Percent by mass of Cl = 71/208.23 × 100
Percent by mass of chlorine = 34.09%
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only one of each of the following pairs of reactants undergoes a reaction. complete and balance the equation for the reaction which occurs. write no reaction next to the reaction that does not occur.
NaCl + BaCl2 --> NaBaCl4 ;NO3- + OH- + Al --> Al(OH)3 + NO3- ;CO32- + OH- + Al --> Al(OH)3+ CO32- ;K + Cl- --> KCl; Ag+ + Cl- --> AgCl(s).
NaCl (aq) + BaCl2(aq) --> NaBaCl4(aq) (This is a neutralization reaction between a strong acid and a strong base) ;NO3-(aq) + OH-(aq) + Al(s) --> Al(OH)3(s) + NO3-(aq) (This is a precipitation reaction between aluminum and hydroxide ions); CO32-(aq) + OH-(aq) + Al(s) --> Al(OH)3(s) + CO32-(aq) (This is a precipitation reaction between aluminum and hydroxide ions) ;K+(aq) + Cl-(aq) --> KCl(aq) (This is a combination reaction between a metal cation and a nonmetal anion) ;Ag+(aq) + Cl-(aq) --> AgCl(s) (This is a precipitation reaction between silver and chloride ions).
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The complete question is :
Only one of each of the following pairs of reactants undergoes a reaction. Complete and balance the equation for the reaction that occurs :NaCl(aq)+BaCl2(aq)==>Na2SO4(aq)+BaCl2(aq)==>NO−3(aq)+OH(aq)+Al(s)==>?CO2−3(aq)+OH−(aq)+Al(s)==>?K+(aq)+Cl−(aq)==>?Ag+(aq)+Cl−(aq)==>?
Growth that increases at a constant percentage per unit time is known as_____ growth
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}[/tex]
Exponential
Explanation:
Growth that increases at a constant percentage per unit time is known as Exponential growth.
Hope it helps you ~The mass of a single tungsten atom is 3.05×10-22 grams. How many tungsten atoms would there be in 37.9 milligrams of tungsten?
Answer:
N = M / mW = 4850 / (3.05 * 10-22) = 1.59 * 1025 atoms of tungsten.
To find the number of tungsten atoms in 37.9 milligrams of tungsten, we first need to convert the mass from milligrams to grams. 1 milligram is equal to 10^-3 grams.
37.9 milligrams = 37.9 x 10^-3 grams = 0.03709 grams
Now we have the mass of tungsten in grams. Next, we need to find the number of atoms by dividing the mass of tungsten by the mass of a single tungsten atom.
0.03709 grams / (3.05 x 10^-22 grams/atom) = 12.16 x 10^21 atoms
Therefore, there would be 12.16 x 10^21 atoms of tungsten in 37.9 milligrams of tungsten.
Note: This is a very large number, it is more commonly expressed in scientific notation.
bret technology is still not as sensitive as fluorescence-based technologies, which can limit its applications in certain fields such as single-molecule detection.
The BRET technology is the bioluminescence resonance energy transfer. It describes the energy that transfers in between the light emitting molecule and the light sensitive molecule. This statement is true.
The BRET technology describes the energy that transfers in between the light emitting molecule and the light sensitive molecule. It is the biophysical technique that is used to monitor proximity in the living cells. The fluorescence-based technologies based on the measurement of emission photons by molecules that is activated by absorption of the quantum of the electro magnetic radiation.
Thus, The BRET technology limit its applications in the certain fields such as single-molecule detection.
This question is incomplete, the complete question is :
Bret technology is still not as sensitive as fluorescence-based technologies, which can limit its applications in certain fields such as single-molecule detection. The given as :
a) True
b) False
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which of the following is necessarily characterized by a non-covalent linkage? peptide bond ionic bond ester bond phosphodiester bond glycosidic bond
A glycosidic bond is necessarily characterized by a non-covalent linkage
A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate. Glycosidic bond is formed normally between carbon atoms, 1 and 4, of neighbouring monosaccharide units.
Peptide bond
The carboxyl group of one amino acid is joined to the amino group of another to produce a peptide bond, also known as a eupeptide bond. In essence, a peptide link is an amide-type covalent chemical bond. This bond connects two adjacent alpha-amino acids starting at carbon number one (C1) of one and nitrogen number two (N2) of another. This linkage can be discovered along a protein or peptide chain.
Ionic bond
Ionic compounds are substances held together by ionic bonds, which are the attraction between positive and negative ions in a crystal. When two atoms share one or more electron pairs, a covalent bond is created.
Glucosylated bond
The term "glycosidic bond" refers to the link created between the first carbon atom of one monosaccharide and the four carbon atoms of the adjoining monosaccharide unit, which results in the development of a polysaccharide.
As a byproduct, a water molecule is liberated.
Phosphate-diester bond
A phosphodiester is a phosphate-hydroxyl linkage between two nucleotides where the phosphate is joined to the hydroxyl group at the pentose sugar's 5' carbon and is then linked to the hydroxyl group at the pentose sugar's 3' carbon of the following nucleotide.
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which of the molecules would you expect to have the lowest lumo energy? explain your answer (next question). i have to manually grade this. which of the molecules would you expect to have the lowest lumo energy? explain your answer (next question). i have to manually grade this. a b c d
As resonance decreases the energy gap, 1 has the lowest homo lumo energy. By replacing electron-donating groups, homo energy level rises.
How is a molecule created?A molecule is produced when several atoms join together and bind with one another. When a bond forms between two atoms, each shares one electron. A covalent bond results in the formation of a molecule.
Can people make molecules?Sometimes you just have to make stuff yourself if you want it done well. That most definitely could be the case when employing molecules to build minuscule gadgets like drug-delivering nano-robots.
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The complete question is -
Which of the following molecules would you expect to have the smallest HOMO LUMO energy gap?
based on its electron configuration explain why hydrogen can only have two valence electrons around it when it bonds to other atoms what is the maximim number of bonds hydrtogen will form
Due to the fact that hydrogen only has one electron in its outermost shell, it can only create one covalent connection with an atoms. Although hydrogen configuration of hydrogen is 1s1, and the 1s orbital's
The fundamental building components of matter are atoms. They have an electron-surrounded nucleus made up of protons and neutrons. The element to which an atom belongs is determined by the quantity of protons in the nucleus. For instance, all hydrogen atoms contain a single proton but all carbon atoms have six protons in their nucleus. Atoms may combine to create molecules, which are the building blocks of everything around us. Atoms may also join together to create compounds, which differ from the sum of their component atoms in terms of their chemical and physical characteristics. Atomic science or atomic physics is the study of atoms and how they behave.
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A biochemical reaction at constant temperature and pressure in a cellular environment is at equilibrium when the absolute temperature is equal to which of the following?
a. 0
b. -(ΔH)(ΔS)
c. -RT log Keq
d. ΔH/ΔS
c) At constant temperature and pressure, in a cellular environment, a biochemical reaction is at equilibrium when the absolute temperature is equal to -RT log Keq.
A biochemical reaction at equilibrium is a state in which the rate of the forward reaction is equal to the rate of the reverse reaction. At this point, the concentrations of the reactants and products remain constant.
The equilibrium constant, Keq, is a measure of the relative concentrations of reactants and products at equilibrium. It is given by the equation:
Keq = [products]^c / [reactants]^a
The negative natural logarithm of the equilibrium constant, -ln(Keq) is known as the Gibbs free energy change, ΔG.
At constant temperature and pressure, the Gibbs free energy change is related to the enthalpy change, ΔH, and entropy change, ΔS, by the following equation: ΔG = ΔH - TΔS
The above equation can be further simplified by using the ideal gas law and the universal gas constant R.
ΔG = -RT ln(Keq)
So, at constant temperature and pressure, in a cellular environment, a biochemical reaction is at equilibrium when the absolute temperature is equal to -RT log Keq.
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