Multiple Choice
If electrical energy costs 4 cents per kWh,what does it cost to heat 210 kg water from 30°C to 65°C? (The specific heat of water = 103 cal/kg⋅°C and 1.0 cal = 4.186 J. )
A) 87 cents
B) 47 cents
C) 40 cents
D) 20 cents
E) 59 cents
Correct Answer:
Verified
Correct Answer:
Verified
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