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5. The annual natural gas consumption for heating a small house is equivalent to 1.2 x 10 J. The furnace has an efficiency of 85

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5. The annual natural gas consumption for heating a small house is equivalent to 1.2 x 10 J. The furnace has an efficiency of 85 percent. How much thermal energy is transferred to the house? How much is transferred outside?(1.0 x 101/ J, 1.8 x 1010 J) 6. Is it possible for a device to have an efficiency greater than 100%? Explain. 7 1 143 # 5

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