Question: Calculate the heat flow in a process when the temperature of a 100.0 g zinc bar goes from 45-50 C to 25.14 C. The specific

Calculate the heat flow in a process when the temperature of a 100.0 g zinc bar goes from 45-50 C to 25.14 C. The specific heat of zinc is 0.390 J/g.C. Select one: a. +812 kJ b.-812 kJ c. +794 kJ d. -794 kJ

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