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CHEM 101 FINAL EXAM IVY TECH EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ $9.49   Add to cart

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CHEM 101 FINAL EXAM IVY TECH EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+

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CHEM 101 FINAL EXAM IVY TECH EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+

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  • July 23, 2024
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  • 2023/2024
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CHEM 101 FINAL EXAM IVY TECH EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED
A+

1 Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The
balanced chemical equation is:

O2 + Mg ö 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: C
2. 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 quanti-ties in a balanced
chemical equation.: B
3. Diatomic N2 can react with diatomic H2 to form ammonia (NH3). The balanced chemical
equation is:

N2 + 3 H2 ö 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: A
4 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 ö Na2SO4 +
CuS

A. 0.05
B. 9.58
C. 5.92
D. 15.45: B
5. 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) ö 2 NH3 (g)

A. 2.43
B. 0.964
C. None of the above
D. 4.00
E. 17.0: A
6. 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 ö K2CO3 + H2O

A. CO2
B. Not enough information
C. KOH
D. K2CO3
E. H2O: C
7. 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 + ö 6LiNO3 + Ca3(PO4)2

A. 1.1



, B. 6.8
C. 1.2
D. Not enough info
E. 7.2: B
8 Consider the following reaction: 2 Mg + O2 ö 2 MgO ” 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: E
9. Hydrochloric acid reacts with barium hydroxide according to the equation:

2 HCl (aq) + Ba(OH)2 (aq) ö BaCl2 (aq) + 2 H2O ( l) ” H= -118 kK

Calculate the heat (in kJ) associated with the complete reaction of 18.2 grams of HCl (aq).

A. -58.9
B. -29.5
C. None of above
D. -236
E. +58.9: B
10. 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 ö H2SO4+ 6 NO3+ 2 H2O

A. 455
B. Not enough info
C. 7.20
D. 786
E. 331: E
11. 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?

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