Multiple Choice
A container contains a 200 mL of 100% proof alcohol (i.e.,it has 50% ethyl alcohol and 50% water by volume) at 20 C.How much heat is needed to bring the mixture to the boiling point of the alcohol? (assume that the specific heat in the 100% proof can be treated as due to the alcohol and water separately,and the density,boiling point and specific heat of alcohol are 0.81 g/cm3,78 C,and 2.4 J/(g.C ) ,respectively)
A) 32650 J
B) 35525 J
C) 11136 J
D) 17400 J
E) 48557 J
Correct Answer:

Verified
Correct Answer:
Verified
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