Fuel cells offer the promise of a 100% energy usage from an engine.
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Q13: The second law of thermodynamics states that:
A)
Q14: Thermal energy is directly related to the
Q15: An proton accelerated to a velocity of
Q16: The complicated multi-part system designed to balance
Q17: The amount of heat required to raise
Q19: Generating stations using fossil fuels to produce
Q20: All energy flow is either heat or
Q21: Which of the following reactions correctly describe
Q22: Deposition refers to the phase transition:
A) liquid
Q23: What are the primary products in the
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