17) What is the boiling point of water in Kelvin? Choose from the best answer be

Question

17) What is the boiling point of water in Kelvin? Choose from the best answer below. a) 373.15 K b) 273.15 K c) 32 K d) 100 K 18) What is the melting point of copper metal in Kelvin? Choose from the best answer below. a) T(K) = 1295.4 K; b) T(K) = 2293.15 K; c) T(K) = 1356.15 K; or d) T(K) = 313.15 K 19) 10 Grams of copper metal 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) exothermic Q = -164 cal; or d) exothermic Q = -320.1 cal;

Explanation / Answer

18) answer :C

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