JAMB Physics 2017 Objective — Question 16
Question 16 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.
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Calculate the specific latent heat of vaporization of steam if 1.13x10⁶J of heat energy is required to convert 15kg of it to water.
- A. A. 7.53x10⁵Jkg⁻¹Correct
- B. B. 7.53x10²Jkg⁻¹
- C. C. 7.53x10⁴Jkg⁻¹
- D. D. 7.53x10³Jkg⁻¹
Explanation
L = Q/m = 1.13x10⁶/15 = 7.53x10⁴Jkg⁻¹ (using Q=1.13x10⁶J, m=15kg).
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