An iron bar at 325 K is placed in a sample of water. The iron bar gains energy from the water if the temperature of the water is

(1) 65 K (3) 65°C

(2) 45 K (4) 45°C

Question

Larissa Werner

25 July, 11:19

+3

Answers (1)

Know the Answer?

Jack Weeks · Answer 1

0K = - 273 C

So

273K = 0C

So

325K = 52C

So

The water would need to be warmer than 52C to give the iron bar energy

So the answer is (3) 65C

An iron bar at 325 K is placed in a sample of water. The iron bar gains energy from the water if the temperature of the water is(1) 65 K (3) 65°C(2) 45 K (4) 45°C