CHEMISTRY 101 IVY TECH FINAL EXAM 2024
NEWEST ACTUAL EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
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 - ANSWERC
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. - ANSWERB
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 - ANSWERA
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 - ANSWERB
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 - ANSWERA
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 - ANSWERC
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
C. 1.2
D. Not enough info
E. 7.2 - ANSWERB
, 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 - ANSWERE
Hydrochloric acid reacts with barium hydroxide according to the equation:
A. Ca3(PO4)2
B. Ca(NO3)2
C. Li3PO4
D. LiNO3 - ANSWERB
How many moles of water are needed to react with 2.2 moles of Li2O?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Americannursingaassociation. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.
