A)When the energy input to

  1. Which is the equation for a machine’s efficiency?(1 point)Responses Efficiency=input energyoutput energy ⋅
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  2. Which is the equation for a machine’s efficiency?(1 point)Responses Efficiency=input energyoutput energy ⋅ 100
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  3. All reactions require an initial input of energy from the surroundings into the system for the reaction to occur. Which two
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  4. What is the basis for analyzing an energy transfer diagram?The mechanical energy input and output must be equal. Heat must
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  5. Which is the equation for a machine’s efficiency?(1 point)Responses Efficiency=input energy−output energy Efficiency=input
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  6. Which is the equation for a machine’s efficiency?(1 point)Responses Efficiency=input energyoutput energy ⋅ 100
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  7. We know that the law of conservation of energy states that energy can not be created or destroyed. It only changes form.
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  8. which phrase describes the initial input of energy that is needed to break bonds in a chemical reaction?bond energy kinetic
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  9. Which phrase describes the initial input of energy that is needed tobreak bonds in a chemical reaction? (1 point) activation
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  10. Which is the equation for a machine’s efficiency? (1 point)Efficiency = input energy − output energy Efficiency = ⋅ 100
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