In which pair is each substance a mixture? A air and water
B limewater and water
C quicklime and limewater
D sea water and air

List four observations that indicate that a chemical reaction may be taking place

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)

The fact that the total amount of energy in a system remains constant is a(n)