Use the Following to Answer the Question

question 5

Multiple Choice

Use the following to answer the question:
-The graph shows the temperature of a 1.0-g sample of material as heat is added to it.The material is initially a solid at 10ºC.The pressure remains constant,and there is no chemical change.The heat of fusion of the material is

• A)10 cal/g
• B)50 cal/g
• C)30 cal/g
• D)90 cal/g
• E)None of these is correct.

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Definitions:

Confidence Estimate

An estimate or range used in statistics that likely includes an unknown population parameter.

Confidence Interval

A scope of numerical values, deduced from examining sample data, that is likely to envelop the value of a cryptic population parameter.

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Market Residential Real Estate

The segment of the real estate market that deals with residential properties for sale or rent.