CHEMISTRY HIGH SCHOOL

In the equation N2(g) + 3H2(g) → 2NH3(g), how many liters of hydrogen combines with 10 liters of nitrogen?

Answers

Answer 1
Answer: 5 hydrogens combine is the answer

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The solubility of KCl(s) in water depends on the(1) pressure on the solution
(2) rate of stirring
(3) size of the KCl sample
(4) temperature of the water

Answers

The answer is (4). The solubility of a substance majorly depends on its property. And the temperature and pressure can also influence. But the pressure can just influence the solubility of gas. The choice of (2) and (3) can affect the speed of dissolving.

Answer:

4) temperature of the water

Explanation:

What would be the result if Earth's unique atmosphere did not exist?

Answers

Then the earth would most likely not be able to support life. Our earth would be similar to mars. In that it might have supported life. It the thin atmosphere would over all be unable to sustain more complex species. The earth would also be much colder because the green house effect is what maintains our relatively warm atmosphere.

Answer:

D) Life will no longer be possible

Explanation:

Odyssey ware

Cell references in a formula are called _____.

Answers

Cell references in a formula are called electrode potentials. Electrode potentials are standard voltages for half-cell potentials. All half-cell potentials use the Standard Hydrogen Electrode (SHE) as a universal reference for redox reactions. For hydrogen, the standard electrode potential is zero for all temperatures.

In lower concentrations, salts generally _____. dissolve precipitate liquefy solidify

Answers

Answer : In lower concentrations, salts generally dissolve.

Explanation :

As we know that the solution is made by the combination of the solute and the solvent.

Solute is the substance which dissolved in the solvent and the solvent is the substance or liquid that dissolves the solute.

In the lower concentrations, the amount of solute is less than the solvent that means the more amount of solute can be dissolves into the solvent.

In the higher concentrations, the amount of solute is more than the solvent that means the more amount of solute can not be dissolves into the solvent.

Hence, in lower concentrations, salts generally dissolve.
The first one, dissolve.

Select all that apply. The requirements for one type of atom to substitute for another in a solid solution are:a. All substitutions must be limited to the same element.
b. An atom must be identical in size.
c. An atom must be similar in size.
d. The substituting atom must be from the same period. E) The substituting atom must be from the same group.

Answers

The correct answer is options c and e.  

A solid solution is basically a multi-component framework that comprises a mixture of two or more elements exhibiting a similar crystal lattice. The examples of solid solutions are alloys.  

The requirements for one kind of atom to substitute for another in a solid solution are:  

1. The size of the atom must be similar.  

2. The substituting atom must be from a similar group.  

Answer:

An atom must be similar in size.

The substituting atom must be from the same group.

Explanation:

A solid solution is a solid mixture containing a minor component uniformly distributed within the crystal lattice of another component called the major component. Metal alloys are typical examples of a solid solution.

Note that only atoms of similar size can substitute each other in a solid solution. Usually atoms of elements in the same group have atomic sizes that vary within narrow ranges. Hence atoms of elements in the same group have similar atomic sizes and can substitute each other in a solid solution.

What is something a scientific law and a scientific theory have in common? Responses
A Both are backed up by evidence and facts Both are backed up by evidence and facts)
B Neither can be proven correct Neither can be proven correct)
C Both make a statement about a scientific phenomenon Both make a statement about a scientific phenomenon0,
A Both answer "why")

Answers

A. Both are backed up by evidence and facts!
- scientific law is made up of evidence
and facts or not it wouldn’t be a law.
- scientific theories are also backed up!
You need to have facts in order to
make it into a theory.

- it’s important to know that scientific
theories can become scientific laws :)
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