Transcript Balancing Equations Practice

Balancing Equations Practice
___ P + ___ O2  ___ P4O10
___CO2 + ___NH3  ___OC(NH2)2 + __H2O
___ Al2O3  ___ Al + ___ O2
__AlBr3 + __K2SO4  __KBr + __Al2(SO4)3
___ Zn + ___ HCl  ___ ZnCl2 + ___ H2
___ HgO  ___ Hg + ___ O2
___ Mg + ___ O2  ___ MgO
The reaction below shows Chlorine (Cl) reacting
with oxygen (O2) to form Cholrine oxide
(ClO2). The mass of Chlorine is 25 grams and
the mass of oxygen is 42 grams.
What mass of Chlorine oxide is produced?
a. 17 grams
b. 39 grams
c. 67 grams
d. 71 grams
In the chemical reaction below, sodium (Na) and
chlorine (Cl) combine to form sodium chloride
(NaCl).
2Na + Cl2 → 2NaCl
If the combined mass of the starting reactants is
50 grams, then the mass of sodium chloride formed
once the reaction has reached completion
a.
b.
c.
d.
will be less than 50 grams.
will be exactly 100 grams.
will be exactly 50 grams.
will be between 50 and 100 grams
In a chemical reaction, the total mass of the
reactants is 10.0 grams. After the reaction,
the total mass of the products must be:
a.
b.
c.
d.
less than 10.0 grams.
exactly 20.0 grams.
more than 10.0 grams.
exactly 10.0 grams.
__BaCl2 + __H2SO4  __BaSO4 + __HCl
___ Ca(ClO3)2  ___CaCl2 + ___ O2
__C2H5OH + __O2  __CO + __H2O
___ Zn + ___ HCl  ___ ZnCl2 + ___ H2
__Al(NO3)3 + __NaOH  __Al(OH)3 + __NaNO3
____ C10H16 + ___ Cl2  ___ C + ___ HCl
____ Ag2O  ____ Ag + ____O2
___BaF2 + __K3PO4  __Ba3(PO4)2 + ___KF
___ I4O9  ___ I2O6 + ___ I2 + ___ O2
__ KMnO4 + __ HCl 
__ KCl + __ MnCl2 + __ H2O + __ Cl2
___ C3H8 + ___O2  ___ CO2 + ___ H2O
__ Al2O3 + __ Fe  __ Fe3O4 + __ Al
___ P4O10 + ___H2O  ___H3PO4
__Al + __H2SO4  __Al2(SO4)3 + __H2
__Be2C + __H2O  __Be(OH)2 + __CH4
___ Fe + ___ O  ___ Fe2O3
__S + __HNO3  __H2SO4 + __NO2 + __H2O
__NH3 + __CuO  __Cu + __N2 + __H2O
__Cu + __HNO3 __Cu(NO3)2 + __NO + __H2O
Al2(SO3)3 + NaOH  Na2SO3 + Al(OH)3