A Bomb Calorimeter Has a Heat Capacity of 675 J/°C

question 42

Multiple Choice

A bomb calorimeter has a heat capacity of 675 J/°C and contains 925 g of water. If the combustion of 0.500 mole of a hydrocarbon increases the temperature of the calorimeter from 24.26°C to 53.88°C, determine the enthalpy change per mole of hydrocarbon. The specific heat of water = 4.184 J g^-1 °C^-1.

• A) -94.8 kJ
• B) -135 kJ
• C) -229 kJ
• D) -269 kJ
• E) -802 kJ

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Definitions:

Behavioral Genetics

studies the role of genetics and the environment in influencing behavior, examining how heredity interacts with experience to shape who we are.

Identical Twins

Siblings who are genetically identical to each other because they were conceived from the same egg and sperm, and hence share all of their genes.

Fraternal Twins

Twins who are born at the same time but developed from two different eggs fertilized by two different sperm, resulting in genetically distinct siblings.

Genetics

The study of genes, genetic variation, and heredity in living organisms, and how these affect physical and behavioral traits.