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Balancing Chemical Reactions

This worksheet covers Balancing Chemical Reactions, which is part of the Chemical Reactions module in the Chemistry course. Practice problems are designed to strengthen key concepts and build confidence.

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Balancing Chemical Reactions

Chemical Reactions • Chemistry

Set 5 — Mastery

Balance the reaction: $C_{3}H_{8} + O_{2} \rightarrow CO_{2} + H_{2}O$ .

$1, 5, 3, 4$

$1, 4, 3, 6$

$2, 5, 3, 4$

$1, 3, 3, 4$

Balance the reaction: $Fe + O_{2} \rightarrow Fe_{2}O_{3}$ .

$4, 3, 2$

$2, 3, 1$

$3, 4, 2$

$2, 1, 1$

Balance the reaction: $Na + Cl_{2} \rightarrow NaCl$ .

$2, 1, 2$

$1, 2, 2$

$2, 1, 1$

$1, 1, 1$

Balance the reaction: $C_{2}H_{5}OH + O_{2} \rightarrow CO_{2} + H_{2}O$ .

$1, 3, 2, 3$

$1, 2, 2, 4$

$1, 4, 2, 3$

$1, 6, 2, 5$

Balance the reaction: $H_{2} + N_{2} \rightarrow NH_{3}$ .

$3, 1, 2$

$1, 2, 3$

$2, 1, 3$

$1, 3, 2$

Balance the reaction: $C_{4}H_{10} + O_{2} \rightarrow CO_{2} + H_{2}O$ .

$1, 5, 4, 10$

$2, 13, 8, 10$

$1, 6, 4, 5$

$2, 5, 4, 10$

Balance the reaction: $Al + O_{2} \rightarrow Al_{2}O_{3}$ .

$4, 3, 2$

$2, 3, 1$

$2, 1, 1$

$4, 2, 2$

Balance the reaction: $Ca + HCl \rightarrow CaCl_{2} + H_{2}$ .

$1, 2, 1, 1$

$1, 1, 1, 1$

$1, 3, 1, 2$

$2, 2, 1, 2$

Balance the reaction: $K + H_{2}O \rightarrow KOH + H_{2}$ .

$2, 2, 2, 1$

$1, 2, 1, 1$

$1, 1, 2, 1$

$2, 1, 2, 1$

10.

Balance the reaction: $CH_{4} + O_{2} \rightarrow CO + H_{2}O$ .

$2, 1, 1, 2$

$1, 2, 1, 2$

$1, 1, 2, 2$

$1, 1, 1, 1$

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Other Sets

Show answer choices

Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

Other Sets

Show answer choices

Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet