A chemical equation that does not indicate relative amounts of reactants and products.
Skeleton equation
100
A reaction in which a single compound is broken down into simpler substances.
Decomposition reaction
100
Everyday equations describe
What are everyday process
100
Not used in a reaction.
what ia a catalyst
100
The products of a combustion reaction do NOT include____.
What is a hydrogen molecule
200
A new substance formed in a chemical reaction.
product
200
A reaction in which oxygen reacts with another substance, often producing heat or light.
Combustion reaction
200
Chemical equations ____.
A. describe chemical reactions
B. show how to write chemical formulas
C. give directions for naming chemical compounds
D. describe only biological changes
What describes chemical reactions
200
Chemical equations must be balanced to satisfy ____.
What is The law of conservative mass.
200
In a double-replacement reaction _____.
What is Reactions are two ionic compounds.
300
A starting substance in a chemical reaction.
What is a reactant
300
A reaction in which the atoms of one element replace the atoms of a second element in a compound.
Single replacement reaction
300
Meaning of the symbol ∆ in a chemical equation
What is heat is supplied to the reaction.
300
The product of a combination reaction is Ba(OH)2. the reactants are H2O and __
What is BaO
300
In the activity series of metals, these metal(s) will displace hydrogen from an acid
What are Only metals above hydrogen.
400
A concise representation of a chemical reaction.
What is a Chemical equation
400
A list of metals in order of decreasing reactivity.
Activity series of metals.
400
Not shown in a skeleton equation.
What are The relative amounts of reactants and products
400
In order to predict whether or not a single-replacement reaction takes place, you need to consult a chart that shows the____.
What is Activity series of metals
400
in ____,The reactants are generally two ionic compounds in an aqueous solution
What is a double replacement reaction
500
An equation in which each side has the same number of atoms of each element.
Balanced equation
500
Chemical reactions ____.
A. occur only in living organisms
B. Create and destroy atoms
C. Only occur outside living organisms
D. Produce new substances
What is Produce new substances
500
the coefficients that will balance the skeleton equation:
N2 + H2 -> NH3
What are 1,3,2
500
In a combustion reaction, one of the reactants is ____.
What is Oxygen
500
A double-replacement reaction takes place when aqueous cobalt(III) chloride reacts with aqueous lithium hydroxide. One of the products of this reaction is_____.