Classify the following type of reaction: Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g).A) redox reactionB) combustion reactionC) acid/base reactionBalance the following reaction: CaO + C →CaC2 + CO2.А) СаО2 + 3C — СаС2 + СО2B) 2CAO2 + 6C → 2CAC2 + 2CO2С) 2СаО + 5C — 2СаС2 + СО2 Balance the following reaction: CaO + C →CaC2 + CO2.A) СаО2 + 3C —СаС2 + СО2В) 2CаО2 + 6C — 2CаC2 + 2C02C) 2CaO + 5C → 2CaC2 + CO2OWhat is the percent yield of a reaction if the product recovered is 21.2 g and the theoretical yield is 28.4 g?A) 74.6 %B) 23.2 %C) 0.746 %What is the limiting reactant in the combustion of 159 g of methane in an open atmosphere?B) methaneA) oxygenC) carbon dioxideOWhich of the following is a redox reaction?A) Zn(s) + 2 HCI(aq) → ZNC12(aq) + H2(g)B) ZnSO4(aq) + Hg2(NO3)2(aq) → H92SO4(s) + Zn(NO3)2(aq)C) HNO3(aq) + Kон (ад) — KNO3(aq) + H2О()OWhich of the following is an acid-base reaction?A) HCIO4(aq) + NaOH(aq) → NaCIO4(aq) + H2O(l)В) Mg(9) + 2HCI(аq) — MgCl2(aq) + H2(9)Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq)Which of the following is a precipitation reaction?A) Ca(9) + 2HCI(aq) — СаС\2(аq) + Н2(9)B) H2SO4(aq) + 2N2OH(aq) → Na2SO4(aq) + 2H2O(1)C) 2NAOH(aq) + MgCl2(aq) → 2 NaCI(aq) + Mg(OH)2(s)Which is the correct coefficient for 02 in the following equation after balancing?_CgH 10 +O2_CO2 + _H,0A) 15B) 4C) 7D) 5E) 14

Balancing redox reactions. As per our guideline we have to answer first question only.

Classify the following type of reaction: Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g). A) redox reaction B) combustion reaction C) acid/base reaction Balance the following reaction: CaO + C CaC2 + CO2. A) CaO2 + 3C →CAC2 + CO2 B) 2CaO2 + 6C → 2CAC2 + 2CO2 C) 2CaO + 5C → 2CAC2 + CO2

Classify the following type of reaction: Mg(s) + 2HCI(aq) → MgCl2(aq) + H2(g). A) redox reaction B) combustion reaction C) acid/base reaction Balance the following reaction: CaO + C CaC2 + CO2. A) CaO2 + 3C →CAC2 + CO2 B) 2CaO2 + 6C → 2CAC2 + 2CO2 C) 2CaO + 5C → 2CAC2 + CO2

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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