Solution: Choose the chemical property. (a) Ethanol boils at 78°C. (b) The compound C2H6O has a density of 0.789 g/mL at 20°C. (c) Acetylene, C2H2, burns in air to form carbon dioxide, CO2, and water, H2O. (d) Table salt is soluble in water.

Problem

Choose the chemical property. 

(a) Ethanol boils at 78°C. 

(b) The compound C2H6O has a density of 0.789 g/mL at 20°C. 

(c) Acetylene, C2H2, burns in air to form carbon dioxide, CO2, and water, H2O. 

(d) Table salt is soluble in water.

Solution

A chemical property is related to a substance's reactivity to other molecules. Combustion of acetylene to form COand H2O is an example of a chemical property.

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