Question

A system of gas absorbed 450 cal heat
and done work of 837.2 J. Then find the
variation in internal energy in calorie unit.​

Answer 1

Answer:

system of gas absorbed 450 cal heat

and done work of 837.2 J. Then find the

variation in internal energy in calorie unit.

Answer 2

Answer:

186 J.

Explanation:

According to the first law of thermodynamics, ΔU=Q+W

Now, 80 cal will be equal to (80×4.2)= 336 joules.

Work done, W=−150 J

Substituting the values in the equation will give ΔU equal to +186 J.