The Heat of Combustion of Methane Is 213 Kcal/mol

question 28

Multiple Choice

The heat of combustion of methane is 213 kcal/mol. How many kcal of energy are released when 7.5 moles of CH₄ burns in an excess of oxygen gas?
CH₄ + 2O₂  CO₂ + 2H₂O

• A) 800 kcal
• B) 1600 kcal
• C) 4800 kcal
• D) 680 kcal
• E) None of the above.

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Definitions:

Competence Motive

The internal drive to be effective in dealing with the environment and to master the challenges it presents.

Power Motive

A psychological drive to influence or control others, often examined in personality and motivational studies.

James-Lange Theory

A theory of emotion that suggests emotions occur as a result of physiological reactions to events.

Physiological Arousal

A state of heightened physiological activity, including increased heart rate, sweating, and energy levels, often in response to stimuli.