CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
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 - correct 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
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
C. 1.2
D. Not enough info
E. 7.2 - correct answer B
Consider the following reaction: 2 Mg + O2 ⟶ 2 MgO Δ Hrxn = -1203 kJ. Calculate
the amount of heat (in kJ) associated with complete reaction of 4 moles of Mg.
A. -1203 kJ
B. -601.5 kJ
C. -4812 kJ
D. None of the above
E. -2406 kJ - correct answer E
Hydrochloric acid reacts with barium hydroxide according to the equation:
2 HCl (aq) + Ba(OH)2 (aq) ⟶ BaCl2 (aq) + 2 H2O ( l) Δ H= -118 kK
Calculate the heat (in kJ) associated with the complete reaction of 18.2 grams of HCl
(aq).
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
A. -58.9
B. -29.5
C. None of above
D. -236
E. +58.9 - correct answer B
How many grams of NO2 are theoretically produced if we start with 1.2 moles of S
and 9.90 moles of HNO3?
Reaction: S + 6HNO3 ⟶ H2SO4+ 6 NO3+ 2 H2O
A. 455
B. Not enough info
C. 7.20
D. 786
E. 331 - correct answer E
What is the limiting reactant for the following reaction given we have 3.4 moles of
Ca(NO3)2 and 2.4 moles of Li3PO4?
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
Reaction: 3Ca(NO3)2 + 2Li3PO4 ⟶ 6LiNO3 + Ca3(PO4)2
A. Ca3(PO4)2
B. Ca(NO3)2
C. Li3PO4
D. LiNO3 - correct 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 - correct answer A
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
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 - correct 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
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
C. 1.2
D. Not enough info
E. 7.2 - correct answer B
Consider the following reaction: 2 Mg + O2 ⟶ 2 MgO Δ Hrxn = -1203 kJ. Calculate
the amount of heat (in kJ) associated with complete reaction of 4 moles of Mg.
A. -1203 kJ
B. -601.5 kJ
C. -4812 kJ
D. None of the above
E. -2406 kJ - correct answer E
Hydrochloric acid reacts with barium hydroxide according to the equation:
2 HCl (aq) + Ba(OH)2 (aq) ⟶ BaCl2 (aq) + 2 H2O ( l) Δ H= -118 kK
Calculate the heat (in kJ) associated with the complete reaction of 18.2 grams of HCl
(aq).
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
A. -58.9
B. -29.5
C. None of above
D. -236
E. +58.9 - correct answer B
How many grams of NO2 are theoretically produced if we start with 1.2 moles of S
and 9.90 moles of HNO3?
Reaction: S + 6HNO3 ⟶ H2SO4+ 6 NO3+ 2 H2O
A. 455
B. Not enough info
C. 7.20
D. 786
E. 331 - correct answer E
What is the limiting reactant for the following reaction given we have 3.4 moles of
Ca(NO3)2 and 2.4 moles of Li3PO4?
, CHM101 Final Exam (NEW 2025/ 2026
Update) Introduction to General, Organic,
and Biochemistry Questions & Answers
Grade A 100% Correct (Verified Solutions)-
IVY TECH
Reaction: 3Ca(NO3)2 + 2Li3PO4 ⟶ 6LiNO3 + Ca3(PO4)2
A. Ca3(PO4)2
B. Ca(NO3)2
C. Li3PO4
D. LiNO3 - correct 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 - correct answer A
