Answer:
hi nice to meet you, just be your self and ask your questions, its all good we are nice people
Explanation:
have a great day, please mark as brainliest please
Hello! Be ur self, ask questions and ask questions. Okibye
help me i put max points
Answer:
D. Catastrophism
Explanation:
Answer:
Catastrophism is the answer :p lol
Explanation:
What is the main motivation for Hindus to follow the beliefs of their religion correctly?
Answer:
B
Explanation:
Answer:
b
Explanation:
B. The mass of the sugar and water is greater than the mass of the sugal
C. The mass of the sugar solution is greater than the mass of the sugar and water.
D. We do not have enough information to determine anything about the mass of the sugar, water, or the
sugar solution.
8. When combined in the correct ratio, hydrogen and oxygen atoms can form water as show below.
+
Hydrogen
Oxygen
Water
this example, water is an example of which of the following?
Answer: it’s the first one ☝️
Mass NEVER changes
_AICI3–> _AI + _Cl2
I need help
Answer:
2AlCl₃ ⇒ 2Al + 3Cl₂
Explanation:
Balance the equation–making sure there's an equal amount of reactants and products on both sides.
12.3 moles of sodium is what mass of Na?
Answer:
1 mole of Na = mass of 22.99 g, 1 mole of Si = mass of 28.09 g.
Students were asked to describe evidence of Plate Tectonic Theory. Their answers are listed
below.
Student 1: The shape of the continents suggests that they were once connected together.
Student 2: Similar fossils and rock formations have been found across different continents
providing evidence that they were once connected.
Student 3: Glacial evidence indicates that different
continents were once connected near the
South Pole.
Student 4: Magnetic rocks indicate that the sea floor has been growing and spreading over
time.
Which student(s) descriptions listed above accurately describe evidence supporting Plate
Tectonic Theory?
Answer:
One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined.
Explanation:
Students were asked to describe evidence of Plate Tectonic Theory.
descriptions listed above accurately describe evidence supporting Plate
Tectonic Theory. Student 3 describes "glacial evidence indicates that different continents were once connected near the South Pole."
What is plate Tectonic Theory?
The widely recognized scientific hypothesis known as plate tectonics states that the Earth's lithosphere was made up of many major tectonic plates that have already been gently migrating since around 3.4 billion years ago.
What is the South Pole?The south pole would be one of two locations on Earth's surface at which the planet's axis of rotation crosses it. It is often referred to as one of the Geographic south pole, Terrestrial South Pole, and 90th Parallel South.
The fossil record is such sort of evidence that has been used to support the Claim of Continental Drift. On the coastlines of many continents, fossils of specific kinds of plants, as well as animals have been discovered in rocks that are comparable in age, indicating that the continents had been connected.
Students were asked to describe evidence of Plate Tectonic Theory.
descriptions listed above accurately describe evidence supporting Plate
Tectonic Theory. Student 3 describes "glacial evidence indicates that different continents were once connected near the South Pole."
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Which of these electron configurations is not possible?
Answer:
D
Explanation:
Electrons are being filled according to the increasing other of their sublevel energy
The __________ system is responsible for bringing oxygen into the lungs and releasing carbon dioxide from the body
Answer:￣ﾉﾞ(｡･∀･)ﾉﾞo(*￣▽￣*)ブ(*￣3￣)╭o(*￣▽￣*)ブ(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭(*￣3￣)╭•)>⌐)↖↗↘↙↜↚↯↟↝↖↔↕↙↘↙↘↘↞↴↯↚↨⇌⇋⇆⇉⇑↶⇋⇋↳¾⁷¼¼⁶⁴⁷⁰⁰⁰⁹⅕⅘⅓⅕⅓⅕⨊⨡⨔⨩⨦⨶⨼⨿⨷⨷⨻⨼⨹₴ The answer is resperitory
Explanation:
3. Calculate the number of moles and mass in
gram_of_1 x 10^20mdecules of Nz gas
.
Answer:
0.17×10⁻³ mol
Mass = 0.00476 g
Explanation:
Given data:
Number of molecules of N₂ = 1 ×10²⁰ molecules
Number of moles of N₂ = ?
Mass in gram of N₂ = ?
Solution:
1 mole of any substance contain 6.022×10²³ molecules
1 ×10²⁰ molecules× 1 mol /6.022×10²³ molecules
0.17×10⁻³ mol
Mass in gram:
Mass = number of moles × molar mass
Mass = 0.17×10⁻³ mol × 28 g/mol
Mass = 4.76×10⁻³ g
Mass = 0.00476 g
Tanisha is mixing powdered orange drink mix into a cup. She wants to make sure the orange taste is strong, so she adds a lot of powdered mix. As she is mixing, she notices that the powdered mix starts to float around in the water in clumps, and some settles on the bottom of the cup. Predict why this would happen.
A.
The powder is too old to dissolve in the water.
B.
No more powder will dissolve in the water.
C.
The powder needs to be shaken to fully dissolve.
D.
The powder does not fully dissolve because the water is too warm.
Answer:
B. No more powder will dissolve in the water.
Explanation:
If a lot of powder is added to the water, then a fully saturated solution would be created. This means that no matter how much more powder is added or how strong the mix is shaken, no more powder will disolve. The powder will instead remain in solid form in the solution.
Answer:
Heat up the water first because it increases solubility of the powdered mix.
Explanation:
Took the test on Edg. Hope this helps!! :)
Suppose you pour a glass of ice water and set it on the kitchen table. After a few minutes, the outside of the glass will be covered with drops of water. Why did this happen?
For condensation to take place there should be noticeable difference between the temperature of the system and the atmosphere. Thus condensation is the reason for clinging of water particles to the side of the glass.
What is condensation?Condensation is a process in which the vapor state converts to liquid state. Condensation is the reverse process of evaporation. Condensation occur at dew point. Dew point is the temperature at which condensation starts.
When the hot air particles collides with the surface of the glass having ice water, then the hot particles that had so much energy or kinetic energy suddenly reduces its energy and converts to water due to the change in temperature and pressure .
Thus condensation is the reason for clinging of water particles to the side of the glass having ice water.
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Based on the reading, what can you infer about
aspirin's ester group?
It provides aspirin's pain-killing ability.
It makes the compound more digestible.
It reduces fevers.
Answer:
it makes the compound more digestable
Explanation:
Answer:
B.it makes the compound more digestible
Explanation:
edg 2020 just got it right
brainliest please?
In which material would the particles be closest together?
O Syrup
O Brick
O Air
O Water
Answer:
Brick
Explanation:
The distance between particles is best determined by density. So, to find which material has the most compacted particles, we need to find which material has the highest density. Solids will always have the highest densities, so Brick would have the particles that are closest together.
In 0.4 mole of H2S, how many atoms of H are there?
Answer:
8
Explain
H: Ignoring the coefficient, we know there's 5+3=8 atoms
8. Draw the structural formula for isoprene (the building block of rubber). It should satisfy the molecular formula for isoprene of C5H8.
plz i need help
Here are two options use the one you need :)
Which allotrope of phosphorus has less ignition temperature?
Answer:
kid poop i only did this for no reason
Explanation:
Which of the following redox conditions will produce a spontaneous reaction?
A. The sum of the voltages of the half-reactions is positive.
O B. The sum of the voltages of the half-reactions is negative.
O C. The voltage of the reduction half-reaction is positive.
D. The voltage of the reduction half-reaction is negative.
Answer:
A. The sum of the voltages of the half-reactions is positive.
Explanation:
correct on a p e x
Among the following redox conditions those will produce a spontaneous reaction is The sum of the voltages of the half-reactions is positive.
What are redox reactions?Redox reactions are the reactions in which reduction reaction and oxidation reaction happens simultaneously. The term ‘redox’ is a short form of reduction-oxidation. All the redox reactions can be broken down into two different processes: a reduction process and an oxidation process.
The loss of electrons and the corresponding increase in the oxidation state of a given reactant is called oxidation. The gain of electrons and the corresponding decrease in the oxidation state of a reactant is called reduction.
For example-
H₂ + F₂ → 2HF
Hydrogen is added to Fluorine gas so Fluorine has been reduced but Hydrogen has been oxidised.
Therefore, Among the following redox conditions those will produce a spontaneous reaction is The sum of the voltages of the half-reactions is positive.
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What is the rise in sea level between 1930 and 2003?
A)
About 20cm
B)
About 16cm
C
About 12cm
Answer:
about 16
Explanation:
its 20 - ( approximately 5)
= approximately 16
Answer:
It should be (C) about 12cm
What is it called when elements combine to form a chemical compound?
Explanation:
A compound is a unique substance that forms when two or more elements combine chemically.Compounds form as a result of chemical reactions. The elements in compounds are held together by chemical bonds. A chemical bond is a force of attraction between atoms or ions that share or transfer valence electrons.hope it helpful ✌️✌️
Methane(CH4) is a gas at room temperature, Methanol (CH3OH) is a liquid. Explain why using types of intermolecular forces present.
Explanation:
Methane is a gas at room temperature but methanol is a liquid because in methane there's London dispersion intermolecular force but in methanol there's H-bond and London dispersion force. H-bond is more stronger than London dispersion force. So, it increases the boiling point of methanol that's why methane is gas at room temperature due to weak attraction of London dispersion force and methanol is liquid.
Methanol has a higher boiling point than methane due to stronger intermolecular forces (IMFs), or attraction between individual molecules. This makes its molecules more difficult to separate, requiring more energy and resulting in a higher boiling point.
What are intermolecular forces?An intermolecular force is a force that mediates the interaction of molecules, including electromagnetic forces of attraction or repulsion that act between atoms and other types of neighboring particles, such as atoms or ions.
Intermolecular forces are classified into five types namely,
Ion-dipole forces.Ion-induced dipole forces.Dipole-dipole forces.Dipole-induced dipole forces.Induced dipole forces.Between ions and polar dipole molecules, ion-dipole forces exist.
Since of stronger intermolecular forces (IMFs), or attraction between individual molecules, methanol has a higher boiling point than methane.
This makes it more difficult to separate its molecules, requiring more energy and resulting in a higher boiling point.
Thus, this is the reason of using types of intermolecular forces present.
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what is the net force of 4N 2N!!
Answer: 4 N-2 N=2 Nto the left. Change in motion: The box will move to the left. 7.)
Explanation: Please mark branliest.
Find three examples of synthetic compounds that contain aromatic rings. Indicate their source or importance
Answer:
Viagra, Cialis, and Levitra each contain aromatic rings.
They are all ED pills and come from drug manufacturing laboratories (you said "synthetic").
Explanation:
PLEASE HELP
Fossil fuels are burnt in power plants to produce electricity. Which one of the
following sequences show the correct order of energy transformation?
Answer:
a
Explanation:
Chemical then thermal because the carbon emissions produce heat
Then kinetic because there is energy transfer then electric because that's the finished result
what is CdF^4 compound name
Answer:
well it might be 1.)Cadmium Fluoride CdF2 150.4078
2.)Cadmium(II) Perfluorate Cd(FO4) 2278.403
3.)Cadmium Ferrocyanide Cd2Fe(CN) 6436.7714
Explanation:
which example is a weak base?
ethyl alcohol, ammonia, potassium hydroxide or vinegar?
Answer:
potassium
Explanation:
b/c electronegativitu
Agl + Na25 yields Ag2S + Nal
Explanation:
Agl+hih+356bnh$&56DG hug zero cg hydh hod sir un bucks
Which organisms are typical decomposers?
Answer:
Insects, bacteria and fungi
Explanation:
2b. 12 grams of C8H18 react with oxygen to produce carbon dioxide and water. How many grams of CO2 are produced?
12.4
13.5
11.6
37.1
Other:
Answer:
37.1g are produced
Explanation:
The combustion of C₈H₁₈ is:
C₈H₁₈ + 25/2O₂ → 8CO₂ + 9H₂O
Where 1 mole of C₈H₁₈ produce 8 moles of CO₂
To find the mass of CO₂ that is produced we need to convert the mass of C₈H₁₈ with molar mass. Then, with the chemical equation, we can find the moles of CO₂ and its mass, as follows:
Moles C₈H₁₈ -Molar mass: 114.2g/mol-
12g C₈H₁₈ * (1mol / 114.2g) = 0.105 moles of C₈H₁₈
Moles CO₂:
As 1 mole of C₈H₁₈ produce 8 moles of CO₂, 0.105 moles of C₈H₁₈ produce:
0.105 moles of C₈H₁₈ * (8moles CO₂ / 1mole C₈H₁₈) = 0.84 moles of CO₂
Mass CO₂ -Molar mass: 44.01g/mol-:
0.84 moles of CO₂ * (44.01g / mol) = 37.0g of CO₂ ≈
37.1g are producedDrag and drop the correct component and reactants to fill in the equation for photosynthesis
Answer:
6CO2 + 6H2O ----> C6H12O6 + 6O2
Explanation:
Photosynthesis is the process by which green plants manufacture their own food using sunlight in the presence of carbon dioxide water and chlorophyll.
Chlorophyll is the pigment in plants that absorbs light.
The equation of photosynthesis is shown in the answer section above. Sugar and oxygen are the first products of photosynthesis.
Two liquids A & B are miscible with each other at room temperature. Which separation technique will you apply to separate the mixture of A & B if the difference in their boiling points is 27-degree celsius
Fractional distillation