Question

the ammount of energy needed to melt 1 gram of ice is 80 calories.How many joules of energy will be needed to melt 1 kg of ice

Answer 1

Answer:

80X100=8000 cal

Explanation:

Answer 2

Answer:

Given, the energy needed to melt 1gm of ice = 80cal

Therefore 1kg of ice needed = 80k cal

1 cal = 4.184 J

Therefore 1gm of ice needs = 80 × 4.184 kJ

=334.72KJenergy

Thus, 334.72KJ energy will be needed to melt 1kg of ice.

Hope it helps! ! !