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2 years ago

Compare how entropy changes for the following two systems:

1 answer:

8 0

The measure of the randomness of the system is the change in the entropy. The mixing of two gases and decomposition of the solid will increase the entropy.

<h3>What is entropy?</h3>

Entropy is the disorderliness and the randomness of the system when the thermal energy is not present in a sufficient amount to initiate the reaction. In system A, when two gases are mixed then the entropy increases as the number of gaseous molecules increases.

In system B, when a solid powder gets decomposed to form a solid product and a gaseous product the entropy increases as along the solid particles the gas is also produced.

Therefore, in both the systems the entropy increases.

Learn more about entropy here:

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Predict the products of each reaction, and whether the solution at equilibrium will be acidic, basic, or neutral.1. P4O10 + 6H2O

77julia77 [94]

Answer:

For 1: The product is phosphoric acid and the solution is acidic in nature.

For 2: The product is sodium hydroxide and the solution is basic in nature.

For 3: The product is nitric acid and the solution is acidic in nature.

Explanation:

For the given options:

(1): When diphosphorus pentoxide reacts with water, it leads to the formation of phosphoric acid, which makes the solution acidic in nature.

The chemical equation for the reaction follows:

$P_4O_{10}+6H_2O(l)\rightarrow 4H_3PO_4(aq)$

(2): When disodium oxide reacts with water, it leads to the formation of sodium hydroxide, which makes the solution basic in nature.

The chemical equation for the reaction follows:

$Na_2O+H_2O(l)\rightarrow 2NaOH(aq)$

(3): When dinitrogen pentoxide reacts with water, it leads to the formation of nitric acid, which makes the solution acidic in nature.

The chemical equation for the reaction follows:

$3N_2O_5+3H_2O(l)\rightarrow 6HNO_3(aq)$

8 0

3 years ago

Where are the different particles in an atom located and what are their charges?

satela [25.4K]

Explanation:

The different subatomic particles in an atom are the:

Protons which are the positively charged particles.
Electrons which are the negatively charged particles.
Neutrons which do not carry any charges.

Protons and neutrons are located in the nucleus of an atom which is the tiny center of the atom.

Electrons orbits around the nucleus and fill the rest of the volume of atom.

4 0

3 years ago

Select the correct answer.

almond37 [142]

Answer:

D. 5 moles

Explanation:

C3H8 + 5O2 → 4H2O + 3CO2

5 mol 3 mol

So, to make 3 mol CO2 5 mol O2 are needed.

3 0

4 years ago

When the internal energy of a material increases,:

Rashid [163]

Answer:

The CORRECT answer is A OR B

Explanation:

8 0

3 years ago

What is the definition of hydro energy

ikadub [295]

Answer:

a form of energy that harnesses the power of water in motion—such as water flowing over a waterfall—to generate electricity.

Explanation

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3 years ago