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HESI A2 Entrance Exam Practice Questions with Verified Answers

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12/22/25, 6:42 PM Chemistry 101 Final Ivy Tech, Chem 101 ivy tech online (final review), CHE…



Science Chemistry Inorganic Chemistry

Chemistry 101 Final Ivy Tech, Chem 101 ivy
tech online (final review), CHEM 101 Final
Ivy Tech
bc100122

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CHEM 101 Final Ivy Tech

139 terms




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,12/22/25, 6:42 PM Chemistry 101 Final Ivy Tech, Chem 101 ivy tech online (final review), CHE…



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?


4 Moles


Which of the following is TRUE?


Stoichiometry allows prediction of how much of the
reactants are necessary to form a given amount of
product. Stoichiometry allows prediction of the amount
of products that form in a chemical reaction based on the
amounts of reactants. Stoichiometry shows the numerical
relationship between chemical quantities in a balanced
chemical equation. ALL ARE TRUE





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, 12/22/25, 6:42 PM Chemistry 101 Final Ivy Tech, Chem 101 ivy tech online (final review), CHE…


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?


4 Moles


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


9.58


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)


2.43





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