Question

Help

Answer 1

If you do 1,000 J of work on a system and remove 500 J of heat from it, what is the change in its internal energy?
(Points : 1)
1,500 J

500 J

500 J

1,500 J

Answer 2

@amistre64

Answer 3

@muratcankalem

Answer 4

hmmm, my gut says that the change is 500J since thats what youve removed or altered the system by. but i cant be certain that im reading it correctly

Answer 5

thank you i knew that was the answer i just needed confirmation :D

Answer 6

not sure how much confirmation i can do :) but it does make some sense to me

Answer 7

they each had a negative sign actually but my answer was just 500

Answer 8

like one of them was -500 j and the other was -1,500 j

Answer 9

ah, im thinking, and this is a guess, we add 1000 and remove 500 to get +500

Answer 10

500