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1. When a wheel rolls on a surface, the energy transferred by the tires to the surface is called:
fictional heating potential energy kinetic energy carpet burn pathway

2. What is pyrolytic cracking?
process in which larger kerosene molecules are broken down into smaller molecules of hydrocarbon a procedure in which a more a practical source of energy is produced the use of pyrotechnics to mine coal a process of coal conversion none of the above

3. The pathway is dependent of:
heat work change in energy A & B B & D

4. Which of the following do NOT contribute to the formation of coal?
bones plants computer chip a humpback whale a banana peel

5. Find D E for an exothermic reaction in which 12 kJ of heat flows and where 3400 J of work is done on the system.
-8.6 kJ 8.6 kJ 15.4 kJ -15.4 kJ none of the above

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