In a Certain Thermodynamic Process,1000 Cal of Heat Are Added

question 74

Multiple Choice

In a certain thermodynamic process,1000 cal of heat are added to a gas confined in a cylinder.At the same time,1000 J of work are done by the gas as it expands.The increase in internal energy of the gas is

• A)zero
• B)3186 J
• C)-239 J
• D)5186 J
• E)1239 J

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Definitions:

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another in the nervous system.

Dopamine

A neurotransmitter involved in reward, motivation, and the regulation of movement and emotional responses.

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A grave psychological disorder defined by changes in thought processing, sensory interpretation, emotional state, communication, identity, and conduct.

Norepinephrine

A neurotransmitter and hormone involved in arousal, attention, and stress response, as well as regulating mood.