Chemistry 101 Final Ivy Tech Questions And Answers
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Module
Chemistry 101
Institution
Chemistry 101
A sealed bag of potato chips will expand when taken to a higher altitude. This is
an example of Boyle's Law.
True
False
~ True
A solution contains 100.0 g of water, 10.0 g NaCl, and 15.0 g methanol. What is
the mass percent of methanol in the solution?
A. 8.00%
B. 10.00%
C. 12.0%
D....
chemistry 101 final ivy tech questions and answers
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Chemistry 101
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Chemistry 101 Final Ivy Tech
Questions And Answers
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
,✓~ 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.
✓~ 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
✓~ 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
✓~ 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
✓~ A
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