A. 7.06 x 10³J
B. 5.38 x 10³J
C. 6.72 x 10³J
D. 1.35 x 10³J
Correct Answer:
Option C = 6.72 x 10³J
Explanation
quantity of heat = mass * Specific latent heat → 20 * 336
quantity of heat = 6720j or 6.72 x 103J
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