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olga nikolaevna [1]
3 years ago
11

What does the second law of thermodynamics say about entropy

Chemistry
2 answers:
zzz [600]3 years ago
7 0

Answer: The entropy in a system and its surroundings tends to increase.

Explanation:

3.3.2 Quiz: Entropy (a p e x)

alukav5142 [94]3 years ago
5 0

Answer:

The entropy and the systems surrounding it tend to increase.

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bekas [8.4K]
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write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the following are mixed. a. ammonium s
sertanlavr [38]

Answer:

SO₄²⁻(aq) + Ba²⁺(aq) ⇒ BaSO₄(s)

Explanation:

Let's consider the molecular equation that occurs when aqueous solutions of ammonium sulfate and barium nitrate are mixed.

(NH₄)₂SO₄(aq) + Ba(NO₃)₂(aq) ⇒ BaSO₄(s) + 2 NH₄NO₃(aq)

The complete ionic equation includes all the ions and insoluble species.

2 NH₄⁺(aq) + SO₄²⁻(aq) + Ba²⁺(aq) + 2 NO₃⁻(aq) ⇒ BaSO₄(s) + 2 NH₄⁺(aq) + 2 NO₃⁻(aq)

The net ionic equation includes only the ions that participate in the reaction and the insoluble species.

SO₄²⁻(aq) + Ba²⁺(aq) ⇒ BaSO₄(s)

5 0
3 years ago
How many molecules of H2O are equivalent to 97.2 g H20? in significant figures
Alex_Xolod [135]
97.2g H20 x 1mole/18g of H2O x 6.022x10^23 molecules/1mole= 3.25 x10^24 molecules of H2O

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3 years ago
If a solution at pH 5 undergoes a 1000-fold increase in [OH-], what is the resulting pH?
lara31 [8.8K]
<span>336*280 i believe... i hope  this helps 

</span>
7 0
3 years ago
Is 4H2O an organic molecule ?
Ludmilka [50]

Answer:

it is an organic molecule

Explanation:

it's a compound called chromium, phosphate tetrahydrate, where tetra stands for 4 , as there are four water molecules attached to the compound.

8 0
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