Indicators of a Chemical Reaction

Front

Which symbol means the substance is a liquid?

Back

l

Front

What indicator of a chemical reaction would be observed in the reaction: 2 Al(OH)₃(s) → Al₂O₃(s) + 3 H₂O(g)?

Back

formation of a gas

Front

What is the key characteristic of a chemical reaction?

Back

new substance is formed that is different from the original substances

Front

What is the order of a chemical reaction?

Back

reactant, arrow, product

Front

What indicator of a chemical reaction is present when a blue liquid is mixed with a white liquid and a yellow substance is created?

Back

a color change

Front

What does the symbol 's' represent in a chemical equation?

Back

solid

Front

What does the symbol 'g' represent in a chemical equation?

Back

gas

Front

What does the symbol 'aq' represent in a chemical equation?

Back

aqueous solution (dissolved in water)

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.

Front

What is an example of a temperature change indicator in a chemical reaction?

Back

Exothermic reactions release heat, causing the temperature to rise.