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Which of the following represents a double-displacement reaction? A. 2 H2(g) + O2(g) ® 2 H2O(l) B. CaBr2(aq) + H2SO4(aq) ® CaSO4(s) + 2 HBr(g) C. 2 KNO3(s) ® 2 KNO2(s) + O2(g) D. 2 KBr(aq) + Cl2(g) ® 2 KCl(aq) + Br2(l) E. 2 Al(s) + 3H2SO4(aq) ® Al2(SO4)3(aq) + 3 H2(g)

Which of the following represents a double-displacement reaction? A. 2 H2(g) + O2(g) ® 2 H2O(l) B. CaBr2(aq) + H2SO4(aq) ® CaSO4(s) + 2 HBr(g) C. 2 KNO3(s) ® 2 KNO2(s) + O2(g) D. 2 KBr(aq) + Cl2(g) ® 2 KCl(aq) + Br2(l) E. 2 Al(s) + 3H2SO4(aq) ® Al2(SO4)3(aq) + 3 H2(g)

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
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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Which of the following represents a double-displacement reaction?

A. 2 H2(g) + O2(g) ® 2 H2O(l)
B. CaBr2(aq) + H2SO4(aq) ® CaSO4(s) + 2 HBr(g)

C. 2 KNO3(s) ® 2 KNO2(s) + O2(g)
D. 2 KBr(aq) + Cl2(g) ® 2 KCl(aq) + Br2(l)
E. 2 Al(s) + 3H2SO4(aq) ® Al2(SO4)3(aq) + 3 H2(g)

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