# How much heat do you need to raise the temperature of 300 g of ethanol from 0°C to 20°C?

a little help would be appreciated here are the 4 answers

I just did this exact problem for someone else.

First you need to find the specific heat of ethanol. This value would be given in any standardized test.

Specific heat of ethanol = 2.46j/g*C

now we just use the formula;

e=mc delta T
Where delta T = final temperature. – starting temperature.
m = mass
c = specific heat

e = 300g * 2.46 * (20 – 0)

e = 14760 joules
= 14.76 kilojoules

q = mx Cg x (Tf – Ti)
Cg = 2.44 J/(Cg)
q = 300 gx 2.44 J/C gx (20 – 0) C = 14640 J
14.6kJ

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