other chapter 8 stuff Flashcards
1
Q
observations that a chemical reaction may be taking place
A
evolution of energy as heat and light
production of gas
formation of a precipitate
color change
2
Q
anything that speeds up the rate of a chemical reaction
A
catalyst
3
Q
forms usually in double displacement reactions
A
precipitate
4
Q
a reactant or product dissolved in water
A
aqueous solution
5
Q
the process in which an electric current is used to produce a chemical reaction to break down a compound
A
electrolysis
6
Q
metallic chlorates decompose to form
A
metal chloride and oxygen
7
Q
metallic hydroxides decompose to form
A
metal oxides and water
8
Q
metallic carbonates decompose to form
A
metal oxide and carbon dioxide
9
Q
name the catalyst used to decompose potassium chlorate
A
MnO2
