Calculate the Value of ΔE in Joules for a System

question 71

Multiple Choice

Calculate the value of ΔE in joules for a system that loses 73 J of heat and has 150 J of work performed on it by the surroundings.

• A)-73
• B)-77
• C)+77
• D)+223
• E)-223

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Definitions:

Confidence Level

The degree of certainty or probability with which a parameter of a population is estimated.

Sample Size

The number of observations or data points that are included in a sample for analysis.

Standard Deviation

A measure of the dispersion or variation in a set of values, indicating how spread out the values are from the mean.

Confidence Level

The likelihood that a confidence interval encompasses the actual population parameter.