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yulyashka [42]
4 years ago
5

Do u think the ocean has valleys and mountains?explain

Chemistry
1 answer:
Kryger [21]4 years ago
7 0
If you ever heard of a trench in the bottom of the ocean it is an underwater valley
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In a compound which part is positive and what is it called?​
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in a chemical equation if the bond is ionic its the first part that is positive and the second half of the equation is negative

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If 3. 5 grams of ni are reacted with excess oxygen to form nickel oxide unser standard state conditions, what is the entropy cha
Mashutka [201]

Entropy Change is the measure of the randomness of the thermodynamic system. The entropy change for the reaction is -49.3 J/K.

<h3>What is the change in entropy?</h3>

Entropy change is the ratio of the heat transfer of the system to the absolute temperature of the system.

The entropy of nickel = 182.1 J/mol. K

The entropy of oxygen = 205.0 J/mol. K

The entropy of nickel oxide = 37.99 J/mol. K

Entropy change is calculated as:

\begin{aligned}\Delta \rm S &= 2(37.99)-2(182.1)-205\\\\&= 75.98 - 364.2 - 205\\\\&= -493.22 \end{aligned}

Therefore, -49.3 J/K is the entropy change.

Learn more about entropy change here:

brainly.com/question/1301642

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8 0
2 years ago
Which of the following gas samples would have the largest volume, if all samples are at the same temperature and pressure?
Alona [7]

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d

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they would all have the same volumes

7 0
3 years ago
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