Calculate the specific latent heat of vaporization of steam of 1.13 x 106J of heat
PHYSICS
JAMB 2017
Calculate the specific latent heat of vaporization of steam of 1.13 x 106J of heat energy is required to convert 15kg of steam to water.
- A. 7.53 x 105 Jkg−1
- B. 7.53 x 10-2Jkg−1
- C. 7.53×104Jkg−1
- D. 7.53 x 10-3Jkg−1
Correct Answer: C. 7.53×104Jkg−1
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Heat gained= heat loss
Buh
H=ml
l=H/m
I=1.13×10^6/15
l=7.5×10^4