Question 16
Change of State and VapoursCalculate the specific latent heat of vapourization of steam if 1.13 × 106J of heat energy is required to convert 15kg of water
- A.7.53 × 105Jkg−1
- B.7.53 × 102Jkg−1
- C.7.53 × 104Jkg−1
- D.7.53 × 103Jkg−1
Show the answer and explanation
Answer: C (7.53 × 104Jkg−1)
Explanation
L = Q/m = 1.13 × 106 ÷ 15 = 7.53 × 104 J/kg.