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What 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 C) carbon dioxide A) oxygen Which of the following is a redox reaction? A) Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) B) ZnSO4(aq) + Hg2(NO3)2(aq) → Hg2SO4(s) + Zn(NO3)2(aq) C) HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(1) Which of the following is an acid-base reaction? A) HCIO4(aq) + NaOH(aq) → NaCI04(aq) + H2O() B) Mg(s) + 2HCI(aq) → M9C12(aq) + H2(g) C) Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq) Which of the following is a precipitation reaction? A) Ca(s) + 2HCI(aq) → CaCl2(aq) + H2(g) B) H2SO4 (aq) + 2NAOH(aq) → Na2SO4(aq) + 2H2O(/) 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? C;H 10 + _O2 → _CO2 + _H20 A) 15 B) 4 C) 7 D) 5 E) 14

What 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 C) carbon dioxide A) oxygen Which of the following is a redox reaction? A) Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) B) ZnSO4(aq) + Hg2(NO3)2(aq) → Hg2SO4(s) + Zn(NO3)2(aq) C) HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(1) Which of the following is an acid-base reaction? A) HCIO4(aq) + NaOH(aq) → NaCI04(aq) + H2O() B) Mg(s) + 2HCI(aq) → M9C12(aq) + H2(g) C) Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq) Which of the following is a precipitation reaction? A) Ca(s) + 2HCI(aq) → CaCl2(aq) + H2(g) B) H2SO4 (aq) + 2NAOH(aq) → Na2SO4(aq) + 2H2O(/) 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? C;H 10 + _O2 → _CO2 + _H20 A) 15 B) 4 C) 7 D) 5 E) 14

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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What 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 % C) 0.746 % B) 23.2 % What is the limiting reactant in the combustion of 159 g of methane in an open atmosphere? B) methane A) oxygen C) carbon dioxide Which of the following is a redox reaction? A) Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) B) ZnSO4 (aq) + Hg2(NO3)2(aq) → H92SO4(s) + Zn(NO3)2(aq) C) HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(1) Which of the following is an acid-base reaction? A) HCIO4(aq) + NaOH(aq) → NaClIO4(aq) + H2O() B) Mg(s) + 2HCI(a) → MgCl2(aq) + H2(9) C) Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq) Which of the following is a precipitation reaction? A) Ca(s) + 2HCI(aq) → CaCl2(aq) + H2(g) B) H2SO4(aq) + 2NAOH(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? _C;H10 + _O2 → _CO2 + _H;0 A) 15 B) 4 C) 7 D) 5 E) 14
Transcribed Image Text:What 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 % C) 0.746 % B) 23.2 % What is the limiting reactant in the combustion of 159 g of methane in an open atmosphere? B) methane A) oxygen C) carbon dioxide Which of the following is a redox reaction? A) Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) B) ZnSO4 (aq) + Hg2(NO3)2(aq) → H92SO4(s) + Zn(NO3)2(aq) C) HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(1) Which of the following is an acid-base reaction? A) HCIO4(aq) + NaOH(aq) → NaClIO4(aq) + H2O() B) Mg(s) + 2HCI(a) → MgCl2(aq) + H2(9) C) Pb(NO3)2(aq) + 2KI(aq) → Pbl2(s) + 2KNO3(aq) Which of the following is a precipitation reaction? A) Ca(s) + 2HCI(aq) → CaCl2(aq) + H2(g) B) H2SO4(aq) + 2NAOH(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? _C;H10 + _O2 → _CO2 + _H;0 A) 15 B) 4 C) 7 D) 5 E) 14
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