Search SchoolNGR

Friday, 03 April 2026
Register . Login

1kg of copper is transferred quickly from boiling water to a block of ice. Calculate ...

1kg of copper is transferred quickly from boiling water to a block of ice. Calculate the mass of ice melted, neglecting heat loss. [specific heat capacity of copper 400Jkg-1K-1 and latent heat of fusion of ice 333 x 103Jkg-1]
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 60g
  • B 67g
  • C 120g
  • D 133g
Correct Answer: Option C
Explanation:
Heat lost = heat gained
1 x 400 x (100 - 0) = m x 333000
m = 0.12kg
converting to grams; 0.12 x 1000
= 120g

Share question on: