Production of a gas is a clue that a chemical reaction has occurred. The water vapor in the genie-in-a-bottle demonstration also shows the production of a gas. Tell students that this lesson is about ...

This gas was not in one of the reactants, so it must have been produced during the chemical reaction. Why do you think this reaction is similar to the reaction of vinegar and baking soda? Citric acid ...

Gas-phase reactions: Chemical reactions that occur between molecules in the gaseous state, allowing for the isolation and detailed analysis of transient species. Mass spectrometry: ...

Today, a combination of chemical reactions and compressed gas canisters helps save lives. Related: Japanese firms eye lithium car batteries Airbags saved 50,457 lives in the US between 1987 and ...