Which of the Following Objects Will Cool the Fastest from the Same

question 6

Multiple Choice

Which of the following objects will cool the fastest from the same initial temperature, assuming you had equal masses of each?

• A) an aluminum pan (c_s = 0.90 J/(g · °C))
• B) a copper pot (c_s = 0.39 J/(g · °C))
• C) an iron skillet (c_s = 0.45 J/(g · °C))
• D) a container of water (4.2 J/(g · °C)
• E) a container of ethanol (2.5 J/(g · °C)

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Definitions:

Null Hypothesis

A statement of no effect or no difference, used as a default assumption until evidence indicates otherwise.

Test Statistic

A value calculated from a sample of data that is used to evaluate the validity of a hypothesis in statistical hypothesis testing.

α

Typically used to represent the significance level in hypothesis testing, which is the probability of rejecting the null hypothesis when it is actually true.

P-value

The probability of observing data at least as extreme as the observed data, assuming the null hypothesis is true.