Show:
Vocabulary
Types of Chemical Reactions
Balancing Chemical Equations
Word Equations
Who am I?
100
What are the substance(s) that are present at the start of a reaction?
reactants
100
This is an example of what kind of reaction? Pb(NO3)2 + K2CrO4 ---> PbCrO +2KNO3
double replacement
100
Balance this equation: H2 + O2 ---> H2O
2H2 + O2 ---> 2H2O
100
Put in to chemical symbols and balance: Aluminum bromide and chlorine gas react to form aluminum chloride and bromine gas.
2AlBr3 +3Cl2 --> 2AlCl3 + 3Br2?
100
This type of reaction always produces carbon dioxide and water.
combustion
200
A mole contains how many particles of a substance?
6.02 X 10^23 particles
200
This is an example of what kind of reaction? P4 + 5O2 ---> P4O10
synthesis
200
Balance this equation: N2 + H2 --> NH3
N2 + 3H2 --> 2NH3
200
Write in words: 2H2 + O2 --> 2H2O
Hydrogen gas and oxygen gas react to form water.
200
This type of reaction is the reverse of a synthesis reaction.
decomposition
300
What are the substances produced from a chemical equation?
products
300
This is an example of what kind of reaction? 2H3PO4 ---> H4P2O7 + H2O
decomposition
300
Balance this equation: Al + H2SO4 --> Al2(SO4)3 + H2
2Al + 3H2SO4 --> Al2(SO4)3 + 3H2
300
Write the chemical equation and balance: Phosphorus and oxygen gas react to form diphosphorus pentoxide.
4P + 5O2 --> 2P2O5
300
This type of reaction involves an element switching places with an element in a solution.
single replacement
400
This states that mass (or energy) is neither created nor destroyed in a chemical reaction.
the law of conservation of mass
400
This is an example of what kind of reaction? Pb(NO3)2 + Mg --> Pb + Mg(NO3)2
single replacement
400
Balance this equation: Al + Fe2O3 --> Al2O3 + Fe
2Al + Fe2O3 --> Al2O3 + 2Fe
400
Write the chemical formula and balance: silver nitrate and sodium chloride react to form silver chloride and sodium nitrate.
AgNO3 + NaCl --> AgCl + NaNO3
400
The reaction between H2O and NaOH would cause this type of chemical reaction.
Acid-Base
500
What is a coefficient?
a number that appears before a formula in a chemical equation, used for balancing, determines the number of moles for that compound
500
A reaction in which a substance reacts rapidly with oxygen, often producing heat and light, or CO2 and H20.
combustion reaction
500
Balance the equation: C4H10 + O2 --> H2O +CO2
2C4H10 + 13O2 --> 10H2O + 8CO2
500
Write the word equation from this equation: 2H2 + 2NO --> 2H2O + N2
Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas.
500
This type of reaction often involves combining two aqueous solutions and my result in the formation of a precipitate.
double replacement