Question

What is the change in internal energy of a system expanding against vacuum from 10 L to
20 L while absorbing 100 kJ of heat?
O 100 kJ
0 225 K
0 138 kJ
-28 K
02 kJ​

Answer 1

Answer is very simple but it rules is very hard = 225k

Answer 2

Answer:

225K

Explanation:

When the gas expand they raise their temperature ad more energy to be needed.