Answer to Question #322435 in General Chemistry for aejeong

Question

Write the thermochemical equation for the following reactions that occur at constant pressure.

1. Combustion of hexane, C6H12 to carbon dioxide gas and water, releases 3923.9kJ of heat.

2. Reaction between solid phosphorous, P4 and oxygen gas, produces P306 and 1640.1kJ of heat.

3. One mole ammonium nitrate (NH4NO3) dissolves in water to produce aqueous ammonium ions and nitrate ions accompanied by the absorption of 28.1 kJ of heat.

4. Formation of carbon dioxide gas from carbon (graphite) and oxygen yields 393.5 kJ of heat.

Answer 1

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