What is an ion that appears on both sides of an equation and is not directly involved in the reaction?
200
SnO2 + 2 H2 → Sn + 2 H2O
What is SnO2 + H2 → Sn + H2O?
200
Double-replacement Reaction
What is A chemical change involving an exchange of positive ions between two compounds?
300
Reactants
What is two or more substances used to create a product?
300
Synthesis
What is Another name for Combination?
300
Net ionic equation
What is an equation for a reaction in solution that shows only those particles that are directly involved in the chemical change?
300
H2+02=H20
What is 2H2+O2=2H2O?
300
Combustion reaction
What is a chemical change in which an element or a compound reacts with oxygen often producing energy in the form of heat and light?
400
Chemical Equation
What is a Representation of a chemical reaction?
400
Combination Reaction
What is A Chemical change in which two or more substances react to form a single new substance?
400
Water
What is Most of the earth made of?
400
Al4C3+H2O=CH4+Al(OH)3
What is Al4C3+12H2O=3CH4+4Al(OH)3?
400
2HgO(s)=2Hg(l)+O2(g)
What is a Decomposition Reaction?
500
Balanced Equation
What is A chemical reaction that is also described in which each side of the equation has the same number of atoms of each element and mass is conserved?
500
Decomposition Reaction
What is what a chemical change in which a single compound breaks down into two or more simpler products?