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Whitepunk [10]
2 years ago
12

Do all solids have thermal energy? Why?

Chemistry
1 answer:
earnstyle [38]2 years ago
8 0

Answer:

Yes because all solids have some thermal energy, its atoms do vibrate. However, this movement is very small and very rapid, and cannot be observed under ordinary conditions. When heat is added a solid can become a liquid.

Explanation:

Have A Wonderful Day !!

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<u>Answer: </u>The mass of water produced is 44.28 g

<u>Explanation:</u>

We are given:

Volume of oxygen gas = 27.50 L

At STP conditions:

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27.50 L of oxygen gas will be occupied by = \frac{1mol}{22.4L}\times 27.50L=1.23mol

The chemical equation for the formation of water follows:

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By the stoichiometry of the reaction:

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So, 1.23 moles of oxygen gas will produce = \frac{2}{1}\times 1.23=2.46mol of water

The number of moles is defined as the ratio of the mass of a substance to its molar mass. The equation used is:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}} ......(1)

Molar mass of water = 18 g/mol

Plugging values in equation 1:

\text{Mass of water}=(2.46mol\times 18g/mol)=44.28g

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