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Investigate the operating temperature of an engine that produces energy from hydrogen gas in hydrogen cars. Suppose the pressure is 3.0 atm, and calculate the

Investigate the operating temperature of an engine that produces energy from hydrogen gas in hydrogen cars. Suppose the pressure is 3.0 atm, and calculate the heat of reaction where hydrogen is combusted in the engine at that temperature. Based on this, calculate how much hydrogen gas will be required for annual transportation in the country if only hydrogen gas is used as fuel.

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