Chemistry 101 Final Ivy Tech Questions With Complete Solution
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 correct answer: 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. correct answer: B Diatomic N2 can react with diatomic H2 to form ammonia (NH3). The balanced chemical equation is: N2 + 3 H2 ⟶ 2 NH3
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chemistry 101 final ivy tech questions with comple