First Law of Thermodynamics: When a Fixed Amount of Ideal

question 30

Multiple Choice

First law of thermodynamics: When a fixed amount of ideal gas goes through an isochoric process,

• A) its internal (thermal) energy does not change.
• B) the gas does no work.
• C) no heat enters or leaves the gas.
• D) its temperature must increase.
• E) its pressure must increase.

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Definitions:

Statistic

A numerical measure that describes an aspect of a sample of a population.

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Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals and chain reactions that may damage the cells of organisms.

Population Variances

The squared deviations of a population's values from the mean, indicating how widely the population data is spread out.

Pooled Proportion Estimate

A method to estimate the combined proportion of two or more groups by pooling their successes and trials.