A Food Sample Was Burned in a Bomb Calorimeter Containing

question 16

Multiple Choice

A food sample was burned in a bomb calorimeter containing 524 mL water. How much thermal energy was produced when the temperature of the water and the calorimeter rose from 20.0C to 25.0C? The metal calorimeter had a heat capacity of 725 J/C without the water. The specific heat capacity of water is 4.184 J/(g C) .

• A)3.63 kJ
• B)14.6 kJ
• C)58.4 kJ
• D)45.8 kJ
• E)46.1 kJ

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Definitions:

Psychosexual Stage

A concept in Freudian psychology that describes phases during childhood where the libido is focused on different body parts.

Defense Mechanism

Psychological strategies developed by the unconscious mind to protect an individual from anxiety or unacceptable thoughts and feelings.

Fixation

In psychoanalytic theory, an obsessive interest or attachment to a developmental phase or aspect of personal interaction.

Free Association

A psychoanalytic technique in which a patient says whatever comes to mind without censorship as a way to explore unconscious thoughts and feelings.