Question 1
Which of the following signs on
q and
w represent a system that is doing work on the surroundings as well as gaining heat from the surroundings?
◦
q = +,
w = -
◦
q = -,
w = +
◦
q = -,
w = -
◦
q = +,
w = +
◦ None of these represent the system referenced above.
Question 2
Which of the following is TRUE if Δ
sysU = -95 J?
◦ The system is losing 95 J, while the surroundings are gaining 95 J.
◦ Both the system and the surroundings are gaining 95 J.
◦ Both the system and the surroundings are losing 95 J.
◦ The system is gaining 95 J, while the surroundings are losing 95 J.
◦ None of the above are true.