## Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning

# Chapter 3 Chemical Reactions - Study Questions - Page 137a: 1

#### Answer

a) $Al + Fe_2O_3\rightarrow Al_2O_3+Fe$ b) $C+H_2O\rightarrow CO+H_2$ c) $SiCl_4+2\ Mg\rightarrow 2\ MgCl_2+ Si$

#### Work Step by Step

a) $Al + Fe_2O_3\rightarrow Al_2O_3+Fe$ Already balanced b) $C+H_2O\rightarrow CO+H_2$ Already balanced c) $SiCl_4+Mg\rightarrow MgCl_2+ Si$ Balancing Cl: $2\ MgCl_2/1\ SiCl_4$ $SiCl_4+2\ Mg\rightarrow 2\ MgCl_2+ Si$

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