If a Chemical Reaction Occurs in a Direction That Has

question 2

Multiple Choice

If a chemical reaction occurs in a direction that has a positive change in entropy then

• A) the change in enthalpy must be negative.
• B) the reaction must be spontaneous.
• C) heat goes from the system into the surroundings.
• D) the reaction must be exothermic.
• E) the disorder of the system increases.

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Definitions:

Energy Storage

The capture of energy produced at one time for use at a later time, using devices or systems such as batteries, capacitors, or mechanical storage systems.

Charge Rate

The rate at which an electric battery or accumulator is charged or discharged, measured in amperes.

μ F

A unit of capacitance, microfarads, representing one-millionth of a farad, used to quantify the storage potential of capacitors.

k Ω

A unit of electrical resistance equal to one thousand ohms, often used in electronics and electrical engineering.