When the equation Al + HCl ---> (products) is completed and balanced, one term in the equation will be Group of answer choices   AlCl2   AlCl3   3 H2        2 HCl

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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  1. When the equation Al + HCl ---> (products) is completed and balanced, one term in the equation will be

Group of answer choices

 

AlCl2

 

AlCl3

 

3 H2     

 

2 HCl

 

 

 

  1. Which equation is incorrectly balanced?

Group of answer choices

 

 

H2O2 ---> H2O + O2

 

2 H2O ---> 2 H2 + O2

 

2 KNO3  ----> 2 KNO2 + O2

 

Na2O + H2O ---> 2 NaOH

 

 

 

  1. When the equation H3PO4 + Ca(OH)2 ----->  H2O + Ca3(PO4)2 is balanced the proper sequence of coefficients is

Group of answer choices

 

 

2, 3, 6,1

 

2, 3, 1, 6

 

2, 3, 3, 1

 

3, 2, 1, 6



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