What amount of heat energy can cause 16kg of dried ice to melt completely? Assuming no heat was lost to the surroundings. (L = 336 J kg\(^{−1}\))
A
6700 J
B
5376 J
C
4347 J
D
21 J
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Heat required to melt 16 kg (L = 336 J kg\(^{−1}\)):
Q = ml = 16 × 336 = 5376 J
Source: WAEC / JAMB / NECO Classroom Archive (Record #78265)