Question

Classify each of the listed properties of isopropyl alcohol as physical or chemical.

a) colorless
b) flammable
c) liquid at room temperature
d) density=0.79 g/ml
e)mixes with water

Answer 1

Each property of isopropyl alcohol is classified as either physical or chemical, with most listed properties being physical (colorless, liquid at room temperature, density, and mixes with water) and only one being chemical (flammable).

Step-by-step explanation:

To classify properties of isopropyl alcohol as physical or chemical, we need to understand the definition of these categories. A physical property is observable and measurable without changing the chemical identity of a substance. On the other hand, a chemical property is an attribute that can only be observed by changing the chemical identity of the substance. Let's classify each given property:

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• colorless - Physical, as it describes the appearance without a chemical change.
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• flammable - Chemical, as it describes the substance's ability to ignite and burn, which is a chemical reaction.
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• liquid at room temperature - Physical, as it describes the state of the substance without altering its composition.
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• density=0.79 g/ml - Physical, since it is a measure of mass per unit volume and does not involve a chemical change.
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• mixes with water - Physical, because it refers to the solubility and does not involve a chemical reaction.