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: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.98QE: What is Hrxn for reaction of iron(III) oxide and carbon monoxide to give iron metal and carbon...

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Question

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.
А) СаО2 + 3C — СаС2 + СО2
B) 2CAO2 + 6C → 2CAC2 + 2CO2
С) 2СаО + 5C — 2СаС2 + СО2

Balance the following reaction: CaO + C →CaC2 + CO2.
A) СаО2 + 3C —СаС2 + СО2
В) 2CаО2 + 6C — 2CаC2 + 2C02
C) 2CaO + 5C → 2CaC2 + CO2
OWhat 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) methane
A) oxygen
C) carbon dioxide
OWhich 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,0
A) 15
B) 4
C) 7
D) 5
E) 14

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