The Change in the Internal Energy of a System That

question 28

Multiple Choice

The change in the internal energy of a system that releases 2,500 J of heat and that does 7,655 J of work on the surroundings is ________ J.

• A)-10,155
• B)-5,155
• C)-1.91 × 10⁷
• D)10,155
• E)5,155

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Definitions:

ANOVA

Short for Analysis of Variance, a set of statistical techniques used to compare the means of three or more samples.

Factor

An element that contributes to a particular result or situation, often used as a variable in experiments and statistical analysis.

Levels

Distinct and gradated stages within a hierarchy or process.

Factor

A variable that is manipulated in an experiment to determine its effect on the dependent variable, or a value that influences results in various contexts.