Question

How much energy is needed to melt 1.25 kg of water at its melting point?

2830 kj
5.23 kj
0 kj
416 kj

Answer 1

416 kj

Step-by-step explanation:

For this particular problem, we are not dealing with a temperature change, rather, we are dealing with a scenario in which we are melting ice. Hence, we need to use the delta H fusion equation:

q=m⋅ΔHfus

Hope that I could help.

Answer 2

416 kj

Step-by-step explanation:

hope it helps