For a Certain Reaction,ΔHº = -75

question 67

Multiple Choice

For a certain reaction,ΔHº = -75.4kJ and ΔSº = -225J/K.If ​n = ​3,calculate E°_cell for the reaction at 25°C.

• A)0.0288 V
• B)0.0961 V
• C)0.241 V
• D)0.492 V
• E)0.0654 V

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Definitions:

Random Assignment

A method used in experiments where participants are allocated to different groups in a way that every participant has an equal chance of being assigned to any group.

Random Sample

A method of selecting a sample from a population in which each member has an equal chance of being chosen.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.

Internal Validity

The extent to which a study establishes a trustworthy cause-and-effect relationship between a treatment and an outcome.