Question

When 100.0 mL of ethyl alcohol is heated from 10.0 C to 35.0 C, about how much thermal energy

Answer 1

Answer:

Q = 194.34  J

Explanation:

Given that,

100.0 mL of ethyl alcohol is heated from 10.0 C to 35.0 C.

We need to find the amount of thermal energy  absorbed by the ethyl alcohol.

The density of ethyl alcohol is 0.790 g/mL.

The formula for heat absorbed is given by :

$Q=mc\Delta T\\\\As, d=\dfrac{m}{V}\\\\So,\\Q=dVc\Delta T\\\\Q=0.79\times 100\times 2.46\\\\Q=194.34\ J$

So, 194.34  J of thermal energy is absorbed by the ethyl alcohol.