Gas a and Gas B Are Combined in a Flask $\rarr$

question 116

Multiple Choice

Gas A and gas B are combined in a flask at initial pressures of 1.0 atm each. The flask is sealed and over time they react to completion to give gas C according to the following chemical equation: 2A(g) + B(g) $\rarr$ C(g)
Assuming the temperature stays constant, what will be the total pressure in the flask after the reaction goes to completion

• A) 0.33 atm
• B) 0.50 atm
• C) 0.67 atm
• D) 0.75 atm
• E) 1.0 atm

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Definitions:

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually comes to trigger a conditioned response.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without prior conditioning.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, encouraging the occurrence of desired behaviors.