Balancing Chemical Reactions Practice Problems

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/8

flashcard set

Earn XP

Description and Tags

Flashcards covering practice problems on balancing chemical reactions and atom accounting from Assignment 2.A.

Last updated 7:18 AM on 10/7/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

9 Terms

1
New cards

What are the correct coefficients to balance the equation NaBr+Ca(OH)2→CaBr2+NaOH\text{NaBr} + \text{Ca(OH)}_2 \rightarrow \text{CaBr}_2 + \text{NaOH}?

2 NaBr+1 Ca(OH)2→1 CaBr2+2 NaOH2\,\text{NaBr} + 1\,\text{Ca(OH)}_2 \rightarrow 1\,\text{CaBr}_2 + 2\,\text{NaOH}

2
New cards

What are the correct coefficients to balance the reaction NH3+H2(SO4)→(NH4)2(SO4)\text{NH}_3 + \text{H}_2(\text{SO}_4) \rightarrow (\text{NH}_4)_2(\text{SO}_4)?

2 NH3+1 H2(SO4)→1 (NH4)2(SO4)2\,\text{NH}_3 + 1\,\text{H}_2(\text{SO}_4) \rightarrow 1\,(\text{NH}_4)_2(\text{SO}_4)

3
New cards

What is the balanced equation for the reaction of C5H9OH\text{C}_5\text{H}_9\text{OH} and O2\text{O}_2?

1 C5H9OH+7 O2→5 CO2+5 H2O1\,\text{C}_5\text{H}_9\text{OH} + 7\,\text{O}_2 \rightarrow 5\,\text{CO}_2 + 5\,\text{H}_2\text{O}

4
New cards

How many total oxygen atoms are present on each side of the balanced equation 1 C5H9OH+7 O2→5 CO2+5 H2O1\,\text{C}_5\text{H}_9\text{OH} + 7\,\text{O}_2 \rightarrow 5\,\text{CO}_2 + 5\,\text{H}_2\text{O}?

15 total oxygen atoms15\text{ total oxygen atoms}

5
New cards

What are the correct coefficients to balance the equation Pb+H3(PO4)→H2+Pb3(PO4)2\text{Pb} + \text{H}_3(\text{PO}_4) \rightarrow \text{H}_2 + \text{Pb}_3(\text{PO}_4)_2?

3 Pb+2 H3(PO4)→3 H2+1 Pb3(PO4)23\,\text{Pb} + 2\,\text{H}_3(\text{PO}_4) \rightarrow 3\,\text{H}_2 + 1\,\text{Pb}_3(\text{PO}_4)_2

6
New cards

What are the correct coefficients to balance the reaction Li3N+NH4(NO3)→LiNO3+(NH4)3N\text{Li}_3\text{N} + \text{NH}_4(\text{NO}_3) \rightarrow \text{LiNO}_3 + (\text{NH}_4)_3\text{N}?

1 Li3N+3 NH4(NO3)→3 LiNO3+1 (NH4)3N1\,\text{Li}_3\text{N} + 3\,\text{NH}_4(\text{NO}_3) \rightarrow 3\,\text{LiNO}_3 + 1\,(\text{NH}_4)_3\text{N}

7
New cards

How many total nitrogen atoms are present on each side of the balanced equation 1 Li3N+3 NH4(NO3)→3 LiNO3+1 (NH4)3N1\,\text{Li}_3\text{N} + 3\,\text{NH}_4(\text{NO}_3) \rightarrow 3\,\text{LiNO}_3 + 1\,(\text{NH}_4)_3\text{N}?

7 total nitrogen atoms7\text{ total nitrogen atoms}

8
New cards

What are the correct coefficients to balance the equation HBr+Al(OH)3→H2O+AlBr3\text{HBr} + \text{Al(OH)}_3 \rightarrow \text{H}_2\text{O} + \text{AlBr}_3?

3 HBr+1 Al(OH)3→3 H2O+1 AlBr33\,\text{HBr} + 1\,\text{Al(OH)}_3 \rightarrow 3\,\text{H}_2\text{O} + 1\,\text{AlBr}_3

9
New cards

How many total hydrogen atoms are present on each side in the balanced reaction 3 HBr+1 Al(OH)3→3 H2O+1 AlBr33\,\text{HBr} + 1\,\text{Al(OH)}_3 \rightarrow 3\,\text{H}_2\text{O} + 1\,\text{AlBr}_3?

6 total hydrogen atoms6\text{ total hydrogen atoms}