Question
Asked Mar 13, 2020
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What is the volume of ethanol required to heat 200.0g of water by 10.0 celsius? The density of ethanol is 0.78g/mL.

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Expert Answer

Step 1

Note:

Thank you for question. Since the Heat combustion of ethanol and Specific heat of water is not given. We are taking Heat combustion of ethanol as 1368 kJ/mol and Specific heat of water as 4.184 J/g.oC

Step 2

Heat energy required to raise the temperature can be determined using the given formula.

Chemistry homework question answer, step 2, image 1

Number of moles of ethanol required to burn is,

One mole ethanol burns to release 1368 kJ of heat.

Chemistry homework question answer, step 2, image 2

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