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marin [14]
3 years ago
5

Burning wood in a fireplace is an example of what kind of energy conversion

Chemistry
2 answers:
Lunna [17]3 years ago
6 0

Answer:

Potential energy

Explanation:

Minchanka [31]3 years ago
4 0

Answer:combustion

Explanation:

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When 8.70 kJ of thermal energy is added to 2.50 mol of liquid methanol, it vaporizes. Determine the heat of vaporization in kJ/m
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Answer:

The heat of vaporisation of methanol is "3.48 KJ/Mol"

Explanation:

The amount of heat energy required to convert or transform  1 gram of liquid to vapour is called heat of vaporisation

When 8.7 KJ of heat energy is required to vaporize 2.5 mol of liquid methanol.

Hence, for 1 mol of liquid methanol, amount of heat energy required to evaporate the methanol is =   \frac{8.7}{2.5}KJ

 = 3.48 KJ

So, the heat of vaporization \delta H_{vap} = 3.48KJ/Mol

Therefore, the heat of vaporization of methanol is 3.48KJ/Mol

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2 years ago
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siniylev [52]

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