Carbonated drinks in cans have a small amount of space above the liquid level inside the can known as
the "headspace."
What would be true about the gas in this headspace if the can is opened?

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.