Question
A system does $1.80 \times 10^8 \textrm{ J}$ of work while $7.50 \times 10^8 \textrm{ J}$ of heat transfer occurs to the environment. What is the change in internal energy of the system assuming no other changes (such as in temperature or by the addition of fuel)?

$-9.30 \times 10^8 \textrm{ J}$

Solution Video