decomposition reactions Flashcards
decomposition reaction definition
when a compound breaks down into it’s component elements or simpler compounds.
decomposition reaction general formula
AB = A + B
thermal decomposition definition
reactions that involve the breaking down of a chemical substance by using strong heat.
catalytic decomposition definition
reactions that involve the breaking down of a chemical substance by using a catalyst.
catalyst definition
a substance that increases the rate of a chemical reaction. it provides an alternative pathway with a lower activation energy. it is not used up in the reaction and may be used again.
metal hydroxide
metal oxide + water
metal carbonate
metal oxide + carbon dioxide
metal hydrogen carbonate
metal carbonate + carbon dioxide + water
all reactions need ___ to occur
heat
test for water
cobalt paper. blue to pink
test for carbon dioxide
lime water. colorless to milky/white
hydrogen peroxide =
oxygen + water
hydrogen peroxide observation
test tube heats up and there is a lot of bubbling
