Answer :
Answer:
The final energy of the system is 168 J
Explanation:
[tex]\triangle Q = \triangle U + W[/tex]
Heat energy released to the surroundings, [tex]\triangle Q = -111 J[/tex]
Work done, W = 222 J
[tex]-111 = \triangle U + 222\\ \triangle U = -111 - 222\\\triangle U = - 333 J[/tex]
The initial internal energy, [tex]E_{1} = 501 J[/tex]
The change in internal energy is given by the formula, [tex]\triangle U = E_{2} - E_{1}[/tex]
[tex]E_{2} = \triangle U + E_{1}\\E_{2} = -333 + 501\\E_{2} = 168 J[/tex]
The final energy of the system is 168 J