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WorksheetsCH19 Chemical Reactions
Total questions: 25
Worksheet time: 1hrs 3mins
two compounds in a reaction swap elements.
synthesis reaction
decomposition reaction
single replacement
double replacement
reaction seen...
synthesis
decomposition
single replacement
double repleacement
reaction seen
synthesis
decomposition
single replacement
double replacement
reaction seen
synthesis
single replacement
decomposition
double replacement
reaction seen
synthesis
single replacement
double replacement
decomposition
____ Mg + ____ Cl2 => ____ MgCl2
balance (choose the correct balanced equation)
2Mg + 3Cl2 => 4MgCl2
Mg + Cl2 => MgCl2
3Mg + 2Cl2 => 3MgCl2
3Mg + 2Cl2 => 4MgCl2
__CH3CH2CH2CH3 + __O2 =>__CO2 + __H2O
balance (choose the correct balanced equation)
2 CH3CH2CH2CH3 + 13 O2 => 8 CO2 + 10 H2O
CH3CH2CH2CH3 + O2 => CO2 + H2O
2 CH3CH2CH2CH3 + 12O2 => 7CO2 + 9H2O
2 CH3CH2CH2CH3 + 13O2 => 6CO2 + 9H2O
number of electrons that an atom would gain or lose to become stable.
chemical formula
oxidation number
reactant number
product number
type of reaction that produces H2O and CO2
synthesis
decomposition
combustion
double replacement
compounds or elements found on the left of the arrow and are present BEFORE the reaction occurs.
products
reactants
initial compounds
final compounds
this type of reaction carries this standard form XY + Z ==> ZY + X.
synthesis
decomposition
single replacement
double replacement
Find the ON of each element in the following compound:
H2S
H: +1 and S: -1
H: +1 and S: -2
H: -1 and S: +1
H: -1 and S: +2
Find the ON of each element in the following compound:
SiO2
Si: +4 and O: -2
Si: +4 and O: -4
Si: -4 and O: +4
Si: -4 and O: +2
Find the ON of each element in the following compound:
S8
S: 0
S: -2
S: +2
S: -16
_____ H2SO4 + _____ NaOH ==> _____ H2O + _____ Na2SO4
choose the correctly balanced equation
H2SO4 + NaOH ==> H2O + Na2SO4
2H2SO4 + NaOH ==> 2H2O + Na2SO4
H2SO4 + 2NaOH ==> 2H2O + Na2SO4
2H2SO4 + NaOH ==> H2O + 2Na2SO4
a reaction that results in light or heat as one of the by products (select all that apply).
combustion
decompostion
exothermic
endothermic
An equation where the number of atoms of EACH element on the reactant’s side is equal to the number of atoms of EACH element on the product side.
synthesis equation
balanced equation
exothermic equation
endothermic equation
these ions consist of two or more covalently bonded atoms that act as a single particle.
cations
anions
polyatomic ions
binary ions
in this reaction thermal energy tends to be absorbed or take inside.
acid-base reaction
redox reaction
exothermic reaction
endothermic reaction
this shows the relative proportions found in a chemical formula (similar to reducing fractions in math).
balanced formula
chemical formula
empirical formula
oxidation formula
find the empirical formula of the following:
C4H10
C4H10
C2H5
CH
C1H1
find the empirical formula of the following:
C2H6O
CHO
C2H3O
C1H1O1
C2H6O
_____FeS2 + _____O2 ==> _____Fe2O3 +_____SO2
choose the correctly balanced equation
FeS2 +O2 ==> Fe2O3 +SO2
2FeS2 + 6O2 ==>2Fe2O3 +4SO2
4FeS2 + 5O2 ==> 2Fe2O3 +4SO2
4FeS2 + 11O2 ==> 2Fe2O3 +8SO2
describes what happens during a chemical reaction.
chemical formula
chemical equation
chemical symbol
empirical formula
shorthand way to tell the identities and amounts of elements in a compound.
chemical formula
chemical symbol
empirical formula
chemical equation
