CHEMISTRY 101 FINAL IVY TECH WITH COMPLETE
SOLUTIONS GUARANTEED PASS
Diatomic O2 can react with the element magnesium to form
magnesium oxide (MgO). The balanced chemical equation is:
O2 + Mg ⟶ 2 MgO
If 4 moles of magnesium totally reacted with more than enough
O2, how many moles of MgO would be expected to form?
A. 8 Moles
B. 2 Moles
C. 4 Moles
D. 1 Mole
E. Not Enough Info - ANSWER ->C
Which of the following is TRUE?
A. Stoichiometry allows prediction of how much of the
reactants are necessary to form a given amount of product.
B. All of the above are true.
C. Stoichiometry allows prediction of the amount of products
that form in a chemical reaction based on the amounts of
reactants.
,D. Stoichiometry shows the numerical relationship between
chemical quantities in a balanced chemical equation. - ANSWER
->B
Diatomic N2 can react with diatomic H2 to form ammonia
(NH3). The balanced chemical equation is:
N2 + 3 H2 ⟶ 2 NH3
If 6 moles of H2 totally reacted with more than enough N2, how
many moles of ammonia would be expected to form?
A. 4 Moles
B. 6 Moles
C. 3 Moles
D. 2 Moles
E. Not enough info - ANSWER ->A
How many grams of the excess reactant remain assuming the
reaction goes to completion and that you start with 15.5 g of
Na2S and 12.1 g of CuSO4?
Reaction: Na2S+ CuSO4 ⟶ Na2SO4 + CuS
A. 0.05
B. 9.58
C. 5.92
D. 15.45 - ANSWER ->B
, Calculate the maximum number of grams of NH3 that can be
produced by the reaction of 2.00 g of N2 with 3.00 g of H2.
Reaction: N2 (g) + 3H2 (g) ⟶ 2 NH3 (g)
A. 2.43
B. 0.964
C. None of the above
D. 4.00
E. 17.0 - ANSWER ->A
Which is the limiting reactant in the following reaction given
that you start with 42.0 g of CO2 and 99.9 g KOH?
Reaction: CO2+ 2 KOH ⟶ K2CO3 + H2O
A. CO2
B. Not enough information
C. KOH
D. K2CO3
E. H2O - ANSWER ->C
How many moles of lithium nitrate are theoretically produced if
we start with 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4?
Reaction: 3 Ca(NO3)2 + ⟶ 6LiNO3 + Ca3(PO4)2
A. 1.1
B. 6.8
SOLUTIONS GUARANTEED PASS
Diatomic O2 can react with the element magnesium to form
magnesium oxide (MgO). The balanced chemical equation is:
O2 + Mg ⟶ 2 MgO
If 4 moles of magnesium totally reacted with more than enough
O2, how many moles of MgO would be expected to form?
A. 8 Moles
B. 2 Moles
C. 4 Moles
D. 1 Mole
E. Not Enough Info - ANSWER ->C
Which of the following is TRUE?
A. Stoichiometry allows prediction of how much of the
reactants are necessary to form a given amount of product.
B. All of the above are true.
C. Stoichiometry allows prediction of the amount of products
that form in a chemical reaction based on the amounts of
reactants.
,D. Stoichiometry shows the numerical relationship between
chemical quantities in a balanced chemical equation. - ANSWER
->B
Diatomic N2 can react with diatomic H2 to form ammonia
(NH3). The balanced chemical equation is:
N2 + 3 H2 ⟶ 2 NH3
If 6 moles of H2 totally reacted with more than enough N2, how
many moles of ammonia would be expected to form?
A. 4 Moles
B. 6 Moles
C. 3 Moles
D. 2 Moles
E. Not enough info - ANSWER ->A
How many grams of the excess reactant remain assuming the
reaction goes to completion and that you start with 15.5 g of
Na2S and 12.1 g of CuSO4?
Reaction: Na2S+ CuSO4 ⟶ Na2SO4 + CuS
A. 0.05
B. 9.58
C. 5.92
D. 15.45 - ANSWER ->B
, Calculate the maximum number of grams of NH3 that can be
produced by the reaction of 2.00 g of N2 with 3.00 g of H2.
Reaction: N2 (g) + 3H2 (g) ⟶ 2 NH3 (g)
A. 2.43
B. 0.964
C. None of the above
D. 4.00
E. 17.0 - ANSWER ->A
Which is the limiting reactant in the following reaction given
that you start with 42.0 g of CO2 and 99.9 g KOH?
Reaction: CO2+ 2 KOH ⟶ K2CO3 + H2O
A. CO2
B. Not enough information
C. KOH
D. K2CO3
E. H2O - ANSWER ->C
How many moles of lithium nitrate are theoretically produced if
we start with 3.4 moles of Ca(NO3)2 and 2.4 moles of Li3PO4?
Reaction: 3 Ca(NO3)2 + ⟶ 6LiNO3 + Ca3(PO4)2
A. 1.1
B. 6.8
