Which of the Following Statements Is TRUE

question 23

Multiple Choice

Which of the following statements is TRUE?

• A) State functions do not depend on the path taken to arrive at a particular state.
• B) DE_rxn can be determined using constant volume calorimetry.
• C) Energy is neither created nor destroyed, excluding nuclear reactions.
• D) ΔH_rxn can be determined using constant pressure calorimetry.
• E) All of the above are true.

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Definitions:

Control Group

In experimental research, the group that does not receive the experimental treatment, serving as a baseline to compare the effects of the treatment.

False Positives

An error in which a test incorrectly indicates the presence of a condition that is not actually there.

Type II Error

A statistical error that occurs when one fails to reject a false null hypothesis, also known as a false negative.

Difference-In-Difference

An estimator that identifies the causal effect of a treatment, like a special promotion, by comparing the periods before and after the treatment between an experimental group and a control group. The second difference is designed to remove selection bias.