QQuestionChemistry
QuestionChemistry
Boiling point is an example of a:
A. physical change
B. chemical change
C. quantitative property
D. physical property
E. chemical property
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Answer
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Step 1:Let's solve this step by step:
Step 2:: Understand the key terms
- Physical change: A change that does not alter the chemical composition of a substance - Chemical change: A change that transforms a substance into a different substance with a new chemical composition - Physical property: A characteristic that can be observed without changing the substance's chemical identity - Chemical property: A characteristic that describes how a substance can change into a different substance
Step 3:: Analyze boiling point
- Boiling point is the temperature at which a liquid changes to a gas - This process involves a phase change (liquid to gas) - The chemical composition of the substance remains the same during boiling
Step 4:: Determine the correct classification
- Boiling point does NOT change the chemical composition of the substance - It is a characteristic that can be measured without changing the substance's chemical identity - This matches the definition of a physical property
Step 5:: Eliminate incorrect options
- Not a chemical change (eliminates option B) - Not a quantitative property (eliminates option C) - Not a chemical property (eliminates option E)
Final Answer
Physical property The key insight is that boiling point describes a physical characteristic of a substance that can be measured without altering its chemical composition.
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