Assume that it is possible to heat water with perfect insulation (all the heat from combustion of ethanol is transferred to water). How much energy (in joules) is needed to heat 200.0 g of water by 10.0 ∘C? The heat capacity of water is 4.185 J/g⋅∘C. energy:           J How many millimoles of ethanol would need to be burned to generate the amount of energy that is needed to heat 200.0 g of water by 10.0 ∘C? The heat of combustion of ethanol is −1368 kJ/mol. millimoles of ethanol:            mmol

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Chapter6: Thermochemisty
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Problem 6.30QP: Enthalpy a A 100.-g sample of water is placed in an insulated container and allowed to come to room...
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Assume that it is possible to heat water with perfect insulation (all the heat from combustion of ethanol is transferred to water).

How much energy (in joules) is needed to heat 200.0 g of water by 10.0 ∘C? The heat capacity of water is 4.185 J/g⋅∘C.

energy:           J

How many millimoles of ethanol would need to be burned to generate the amount of energy that is needed to heat 200.0 g of water by 10.0 ∘C? The heat of combustion of ethanol is −1368 kJ/mol.

millimoles of ethanol:            mmol
 
 
What is the volume of ethanol required to heat 200.0 g of water by 10.0 ∘C? The density of ethanol is 0.78 g/mL.
 
volume:            mL
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