Answer:
299,792,458
Explanation:
What products will most likely form when a carboxylic acid reacts with an amine at high temperatures, or in the presence of a catalyst
Answer:
An amide and water are the products formed
Explanation:
Here, we want to know the possible products that could be formed from the reaction of a carboxylic acid with an amine.
An anime has the functional group NH2 while for an organic acids, we have COOH.
So essentially we want to know the result of these two functional groups coming together to react.
The reaction between these two will form an amide in conjunction with water.
Take for example;
R-COOH + R’-NH2 ———> R-COHN -R’ + H2O
Where R and R’ may be the same or different alkyl or aryl groups
Whoever knows this will get brainliest
.
Gross production is the amount of energy left after cellular respiration.
SESE
Please select the best answer from the choices provided
True or false
Answer:
False did the test on egde
What is some of the evidence used by Galileo to support Copernicus’s model and disprove Aristotle and Ptolemy’s?
Each planet spins in an epicycle.
Planets appear to move backward.
Jupiter has moons orbiting it.
The religious and cultural beliefs supported this model.
Answer:
Hey sorry if i took too long but I believe it is A
Explanation: sorry if im wrong
hope this helps
Answer:
It is A
UW
Explanation:
which chemical equation follows the law of conservation of mass
Answer:
the law of conversation of mass States that mass is an isolated system is neither created or destroyed by chemical reactions or physical transformations. according to the law of conversation of mass the mass of the product in a chemical reaction must equal to the mass of reactants
hope It helped you
A baseball has serval properties. Write one property that a baseball has.
complete sentences.
Why do we get hot when we exercise?
A resistor is placed in a circuit. The voltage of the circuit is changed and the current is measured. The graph seen here shows the data that was collected. Determine the resistance of the resistor in this circuit.
How does the electro negativity difference between atoms determine the type of bond they will form
The absolute value of the difference in electronegativity (ΔEN) of two bonded atoms provides a rough measure of the polarity to be expected in the bond and, thus, the bond type. When the difference is very small or zero, the bond is covalent and nonpolar. When it is large, the bond is polar covalent or ionic.
Helppp pleaseeee......
Answer:
mL
Explanation:
milliliters
Which event is fast change that occurs as a result of plate tectonics?
A. Hurricane
B. Volcanic eruption
C. Formation of an ocean basin
D. Convection current
Answer: B. Volcanic eruption
Explanation:
A volcano is firmed when molten rocks is formed to the surface of the Earth. Volcanoes release molten rocks, ash, and gases to the Earth's surface.
Volcanoes are agents of change as the eruptions lead to the formation of new landforms and also destroy several things that they come in contact with.
Volcanic eruptions also occurs due to plate tectonics. Other events that happen due to plate tectonics also include earthquakes, and tsunamis.
Answer:B
Explanation:
Read this excerpt from the beginning Through the Looking Glass of by Lewis Carroll. "Kitty, can you play chess? Now, don't smile, my dear, I'm asking it seriously. Because, when we were playing just now, you watched just as if you understood it: and when I said ‘Check!’ you purred! Well, it WAS a nice check, Kitty, and really I might have won, if it hadn't been for that nasty Knight, that came wiggling down among my pieces.” What can readers predict about Alice? She will have an active imagination. She will be a serious young girl. She will be a competitive chess player. She will have difficulties getting along with others.
Answer:
She will have an active imagination.
Explanation:
I took the test and i got 90%
But this one is right, hope this helps ( :
Answer:
a
Explanation:
give the person above me brainlest :)
How many electrons occupy a filled 7s sublevel
Answer:f has 14 electrons in 7 sublevel orbitals,d has 10 electrons in 5 sublevel orbitals,p has 6 electrons in 3 sublevel orbitals,s has 2 electrons in 1 sublevel orbital.
Explanation:
Answer:
14 i think
Explanation:
i googled it
which of the following pair of quantities are the factors that affect kinetic energy?
Answer:
Mass and speed
Explanation:
A nuclear power plant is scheduled to undergo a retrofitting. What is the most likely outcome of the change?
The power plant will no longer generate radioactive wastes.
The power plant will recycle the water it uses to cool the reactor.
The power plant will be able to reprocess its used uranium fuel.
The power plant will switch from fission reactions to fusion reactions.
Answer:
It's B
Explanation:
I got it right on edjenuity
The most likely outcome of the retrofitting of a nuclear power plant is that it will be able to reprocess its used uranium fuel. Therefore, option C is correct.
What is nuclear power plant?A nuclear power plant is a facility that generates electricity by harnessing the heat produced by nuclear reactions. At the heart of a nuclear power plant is the reactor, where a controlled chain reaction of nuclear fission occurs.
Reprocessing is a process by which the used nuclear fuel is chemically treated to separate out and recover the unused uranium and plutonium, which can then be reused as fuel. This reduces the amount of radioactive waste produced by the plant and also extends the life of the uranium fuel.
The fission reactions to fusion reactions is not currently a viable option for power generation, and the idea that a retrofitting would eliminate radioactive wastes is unlikely, as nuclear power plants will always produce some amount of radioactive waste.
Thus, option C is correct.
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15. Which compounds are reactants in the process of cellular respiration?
O H20 and CO2
O C6H120g and CO2
O H2O and Oz
ang
O C6H12Ogand 02
Answer: the correct answer would be the last option, C6H12O6 and O2
Explanation:
write the molecular and net ionic equation for the following aqueous reactions. If no reaction occurs write NR
Answer:
a. Molecular equation: AgNO₃(aq) + NaI(aq) ----> NaNO₃(aq) + AgI(s)
Net ionic equation: Ag⁺(aq) + I⁻ ---> AgI(s)
b. Molecular equation: Ba(NO₃)₂(aq) + K₂SO₄(aq) ----> 2KNO₃(aq) + BaSO₄(s)
Net ionic equation: Ba²⁺(aq) + SO₄²⁻(aq) ---> BaSO₄(s)
c. Mg(NO₃)₂ + K₂SO₄ ------> No reaction
d. CaCl₂ + AI(NO₃)₃ ----> No reaction
Note: The question is incomplete. A complete similar question is given below:
Write the molecular equation and the net ionic equation for each of the following aqueous reactions. If a reaction is not carried out, write NR after the arrow.
a. AgNO₃ + NaI⁻
b. Ba(NO₃)₂ + K₂SO₄
c. Mg(NO₃)₂ + K₂SO₄
d. CaCl₂ + AI(NO₃)₃
Explanation:
a. A double displacement reaction occur between aqueous solutions of silver nitrate and sodium iodide to give a precipitate of silver iodide.
Molecular equation: AgNO₃(aq) + NaI(aq) ----> NaNO₃(aq) + AgI(s)
Net ionic equation: Ag⁺(aq) + I⁻ ---> AgI(s)
b. A double displacement reaction occurs between aqueous solutions of barium nitrate and potassium sulfate to produce a precipitate of barium sulfate
Molecular equation: Ba(NO₃)₂(aq) + K₂SO₄(aq) -----> 2KNO₃(aq) + BaSO₄(s)
Net ionic equation: Ba²⁺(aq) + SO₄²⁻(aq) ---> BaSO₄(s)
c. Since no precipitate is formed when aqueous solutions of magnesium nitrate and potassium sulfate are mixed together, no reaction occurs
Mg(NO₃)₂ + K₂SO₄ ------> No reaction
d. Since no precipitate is formed when aqueous solutions of calcium chloride and aluminum nitrate are mixed together, no reaction occurs
CaCl₂ + AI(NO₃)₃ ----> No reaction
What color do you get if you mix red and blue light?
Red and Green?
Blue and green?
What relationship do you find between frequency and energy?
What relationship do you find between wavelength and current flow?
What relationship do you find between light intensity and current flow?
Answer:
Purple light.
Yellow light.
Explanation:
A muffin has a mass of 100g and a volume of 500cm3. What the density of the muffin? Show all work
Answer:
The density of muffin is 0.2 g/ cm³.
Explanation:
Given data:
Mass of muffin = 100 g
Volume of muffin = 500 cm³
Density of muffin = ?
Solution:
Density is equal to the mass of an object divided by its volume.
Formula:
d = m/v
Now we will put the values in formula.
d = 100 g/ 500 cm³
d = 0.2 g/ cm³
The density of muffin is 0.2 g/ cm³.
what mass of calcium chloride will be produced from 3.750 moles of hcl reacting with ca(oh)2
Answer:
208.125g
Explanation:
Given parameters:
Number of moles of HCl = 3.75moles
Unknown:
Mass of CaCl₂ that will be produced = ?
Solution:
The reaction equation is given as:
2HCl + Ca(OH)₂ → CaCl₂ + 2H₂O
Now, to find the mass of CaCl₂, we have to work from the known to the unknown.
The known specie here is the number of moles of HCl;
2 mole of HCl will produce 1 mole of CaCl₂
3.75moles of HCl will produce [tex]\frac{3.75}{2}[/tex] = 1.875moles
The mass of CaCl₂;
Mass of CaCl₂ = number of moles of CaCl₂ x molar mass
Molar mass of CaCl₂ = 40 + 2(35.5) = 111g/mol
Mass of CaCl₂ = 1.875 x 111 = 208.125g
What are some foods that bacteria helps in the production of?
Answer:
yeasts, moulds, bread, beer, wine, ...
Explanation:
Two atoms that are different isotopes of the same element have
Two atoms that are different isotopes of the same element have same number of protons.
What are elements?Element is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.
Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.
The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.Each element has atoms which are unique to itself.
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What number should be placed in front of HCl to
balance this chemical equation?
Zn + __HCI - ZnCl2 + H2
Answer:
it should be 2
Explanation:
The period that an element is in on the periodic table can tell you how many _____ the element’s atom have.
A. Energy level(electron shells)
B. valence electrons
C. protons
D. isotopes
WILL BE MARKED BRAINLIEST
PLUS 15 Points
Answer: It's D
Explanation:
What is a possible pH level of acid rain?
7.0
10.5
6.9
4.3
Which step is part of a scientific investigation?
O designing a solution
O implementing the solution
O evaluating the solution
O communicating the findings
Help plz! Complete the following combustion reaction. Write your balanced equation two different
ways. (1 point)
C3H18 + O2 >
C3H18 + O2 >
Answer:
C₃H₈ + 5 O₂ ⇒ 3 CO₂ + 4 H₂O
2 C₃H₈ + 10 O₂ ⇒ 6 CO₂ + 8 H₂O
Explanation:
The combustion reaction is when propane reacts to oxygen to form a compound of carbon and water. If the product of carbon is carbon dioxide, the combustion is called complete. Let's considered the unbalanced combustion reaction.
(Note: I assume is C₃H₈, propane, because C₃H₁₈ doesn´t exist).
C₃H₈ + O₂ ⇒ CO₂ + H₂O
We will start balancing C and H that are just in 1 compound on each side, and finally we will balance O atoms. One way to do so is:
C₃H₈ + 5 O₂ ⇒ 3 CO₂ + 4 H₂O
We can get a different way of balancing the equation if we, for instance, multiply all the stoichiometric coefficients by 2.
2 C₃H₈ + 10 O₂ ⇒ 6 CO₂ + 8 H₂O
which two geologic events occur very slowly as a result of tectonic forces and movement.
A. Destruction of forests
B. Seafloor spreading
C. Glacier formation
D. Mountain range formation
PLZZ HELPP!!!
Answer:
mountain range formation, and seafloor spreading
Explanation:
I TOOK THE TEST!!
and it was right
PLEASE HELP!
Carbon dioxide consists of a central carbon atom with an oxygen atom on each side. Draw a model of the molecule formed by putting lines between the atoms to represent bonds so that each atom has the correct number of bonds.
Answer:
O=C=O
Explanation:
PLATO ANSWER
In carbon dioxide (CO₂), bonding occurs through a combination of covalent and double covalent bonds between the carbon atom and the oxygen atoms.
Carbon dioxide is a linear molecule composed of one carbon (C) atom and two oxygen (O) atoms. Each oxygen atom shares a double bond with the central carbon atom, resulting in a stable molecular structure.
Covalent bonding involves the sharing of electrons between atoms to achieve a stable electron configuration. In the case of carbon dioxide, each oxygen atom shares four electrons with the carbon atom, and the carbon atom shares four electrons overall with the two oxygen atoms.
The image is attached below.
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1. Balance the reaction: Ag + H2S + O2 Ag2S + H2O