Gay-Lussac's law states:A. The volume of a gas varies inversely with pressure.
B. The volume of a gas varies directly with pressure.
C. The temperature of a gas varies inversely with pressure.
D. The temperature of a gas varies directly with pressure.

Answers

Answer 1

Answer: D. The temperature of a gas varies directly with pressure.

That is because temperature has an SI unit of Kelvin, and also deals directly with pressure.

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Which reaction occurs at the cathode in an electrochemical cell?(1) combustion (2) neutralization (3) oxidation (4) reduction

Answers

The correct answer is option 4. The reaction occurring in the cathode is a reduction reaction. No matter what type of electrochemical cell it is, electrolytic or voltaic, oxidation reaction always happen in the anode while reduction always happens in the cathode.

Which fuel is used for nuclear power?a. coal
b. oil
c. natural gas
d. uranium

Answers

Hello,

The fuel used for nuclear power is Uranium.

So uranium is used for nuclear power.

Thanks for using brainly.

Correct option is D. Uranium because atoms of uranium helps to replaces the burning of coal or gas.

Hope this helps you.. :)

When a 1.0 M solution of HCl is titrated with a 1.0 M solution of KOH, which is the approximate pH at the equivalent point?

Answers

The equivalence point is when the concentration of H⁺ in solution is equal to the concentration of OH⁻ in solution. Since H⁺ and OH⁻ react with each other to make water (H⁺(aq)+OH⁻(aq)→H₂O(l)) the pH at the equivalence point is 7 due to everything being neutralized. (The equivalence point only has a pH of 7 when a strong acid is being titrated with a strong base).

I hope this helps. Let me know if anything is unclear.

Answer:

Decreases abs basicity decrease

Explanation:

This formula equation is unbalanced.P4(s) + Cl2(g) PCl3(l)

Which coefficient should be placed in front of PCl3 to balance this equation?
1246

Answers

In order to balance this, you have to count each element where the elements in the reactants side and the product side should have equal number of molecules. The balanced reaction is as follows:

P4(s) + 6Cl2(g) = 4PCl3(l)

Thus, the answer is 4.

Answer:

Explanation:

I got it right on edge

What measurements must you make to find the density of a sample of matter

Answers

you would have to look for the mass of the sample and the volume of the sample.

What is the difference between an exothermic and an endothermic reaction?A. Endothermic reactions absorb heat.

B. Exothermic reactions absorb heat.

C. There are no changes in heat during either reaction.

D. Endothermic reactions release heat.