How many grams of ice at 0°c will melt if 1.50 kj of heat are added? (the molar heat of fusion of water is 6.01 kj/mol.) 4.49 g

Question

FrozenT [24]

3 years ago

10

How many grams of ice at 0°c will melt if 1.50 kj of heat are added? (the molar heat of fusion of water is 6.01 kj/mol.) 4.49 g

12.0 g 7.51 g 2.99 g?

Physics

2 answers:

faust18 [17] · Answer 1 · 2022-01-28T01:02:06+03:00

faust18 [17]3 years ago

8 0

The correct answer is 4.49g

Nata [24] · Answer 2 · 2022-01-27T23:00:06+03:00

Nata [24]3 years ago

7 0

The computation would be:moles = mass/ Molar Mass, but we are looking for the mass, so rearranging, will give us: mass = moles x MM
Q = moles x Hf
Q = (mass/MM) x Hf
mass = (Q x MM) / Hf
= (1.50-kJ x 18.0-g/mol) / 6.01-kJ/mol
=4.49 g H20 is the answer