test6tro - Tro Chapter 6 1. Which one of the following is a...

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Tro Chapter 6 1. Which one of the following is a unit of energy? A) pascal B) newton C) joule D) watt E) ampere 2. Chemical energy is A) the kinetic energy resulting from violent decomposition of energetic chemicals B) the heat energy associated with combustion reactions C) the electrical energy produced by fuel cells D) the potential energy which resides in chemical bonds E) the energy living plants receive from solar radiation 3. How much kinetic energy (KE) does an object with a mass of 900 g traveling in a straight line with a speed of 40 m s -1 possess? A) 0.72 kJ B) 1.44 kJ C) 2.88 kJ D) 16.2 kJ E) 18 kJ 4. A chemical reaction has just occurred in an insulated isolated system which caused an overall increase in the potential energy of the system. Which statement below is true? A) Heat was taken in from the surroundings by the system. B) Heat was given off to the surroundings by the system. C) The temperature of the system increased. D) The temperature of the system decreased. E) The total energy of the system increased. 5. A 350.0 gram sample of copper is initially at 25.0 °C. It absorbs 12.50 kJ of heat from its surroundings. What is its final temperature, to the nearest tenth of a degree? (specific heat = 0.3874 J g - 1 °C -1 for copper) A) 38.8 °C B) 67.2 °C C) 92.2 °C D) 117.2 °C E) 156.7 °C Page 1
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6. A calorimeter consists of metal parts with a heat capacity of 925.0 J °C -1 and 1100 grams of oil with a specific heat of 2.814 J g - 1 °C -1 . What is the heat capacity, in joules per degree, of the entire assembly? A) 1321 J °C
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test6tro - Tro Chapter 6 1. Which one of the following is a...

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