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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 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? 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? 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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