19) 10 grams of copper metal is melted in a research grade differential -scanning- calorimeter (DSC)...
19) 10 grams of copper metal is melted in a research grade differential -scanning- calorimeter (DSC) experiment Is this an endothermic or exothermic reaction, and what is the magnitude of the heat of melting measured? Choose from the best answer below, a) endothermic, Q = -3200.1 cal; b) exothermic, Q = 320.1 cal; c) endothermic, Q = -164 cal; or d) exothermic. Q = -32.01 cal.