The Half-Life for a Particular First-Order Reaction Is 2 $\degree$ CHow Long Will It Take for the Reaction to Be

question 80

Multiple Choice

The half-life for a particular first-order reaction is 2.50 minutes at 25.0 $\degree$ C.How long will it take for the reaction to be 88.0% complete?

• A)0.460 minute
• B)2.84 minutes
• C)4.40 minutes
• D)7.63 minutes
• E)8.94 minutes

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Definitions:

R-134a

Current (2018) A/C refrigerant used in HD trucks and not projected for phase-out in the near future. GWP rating is 1,430.

Psig

Pounds per square inch gauge. Gauge pressure is equivalent to psi, not psia.

Liquid Refrigerant

A substance in liquid form used in refrigeration cycles to absorb and remove heat from a space to cool it.

Ambient Temperatures

The temperatures of the air or environment in which equipment, devices, or materials are situated, affecting their performance and operational requirements.