CHEMISTRY 101 IVY TECH FINAL EXAM 2024 NEWEST ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE 250 QUESTIONS WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) /ALREADY GRADED A+

CHEMISTRY 101 IVY TECH FINAL EXAM 2024 NEWEST ACTUAL EXAM 2 VERSIONS (VERSION A AND B) COMPLETE 250 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 - ANSWER -C Which of the following is TRUE? 2 | P a g e Crafted for Academic Insight by ©Olivia GreenWays 2025. All rights reserved. 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. - ANSWER -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 3 | P a g e Crafted for Academic Insight by ©Olivia GreenWays 2025. All rights reserved. E. Not enough info - ANSWER -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 - ANSWER -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 - ANSWER -A 4 | P a g e Crafted for Academic Insight by ©Olivia GreenWays 2025. All rights reserved. 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 - ANSWER -C 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 - ANSWER -B 5 | P a g e Crafted for Academic Insight by ©Olivia GreenWays 2025. All rights reserved. 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 - ANSWER -E Hydrochloric acid reacts with barium hydroxide according to the equation: 2 HCl (aq) + Ba(OH)2 (aq) ⟶ BaCl2 (aq) + 2 H2O ( l) Δ H= -118 kK