How much energy must be added to a bowl of 125 popcorn kernels in order for them to reach a popping temperature of 175°C? Assume that their initial temperature is 21°C, that the specific heat of popcorn is 1650 J/kg°C and that each kernel has a mass of 0.0001 kg
a) 124 J
b) 1200 J
c) 3176 J
d) 44210 J
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