When Two Pure Substances Are Mixed to Form a Solution

question 88

Multiple Choice

When two pure substances are mixed to form a solution

• A)heat is released.
• B)heat is absorbed.
• C)there is an increase in entropy.
• D)there is a decrease in entropy.
• E)entropy is conserved.

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Definitions:

Regression Model

A statistical technique used to predict the value of a dependent variable based on the values of one or more independent variables.

Significant

A term used in statistics to denote that a result is not likely to occur by chance alone, and therefore indicates a meaningful difference or relationship.

Level of Significance

A threshold used in statistical hypothesis testing to decide whether to reject the null hypothesis, usually expressed as a probability value (p-value).

Inclusion of Education

The practice of incorporating educational elements, values, or practices into broader spheres or systems.