question archive The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130 J of heat
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130 J of heat
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The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130 J of heat. As it expands, it does 76 kJ of work.
What is the change in internal energy for the system?
Express the energy in kilojoules to two significant figures.
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