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Balancing Chemical Equations

Balancing Chemical Equations Screenshot Download 1,991 kB
Version: 1.01 (change log)
How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!

See Below

Teaching Resources

Main Topics

  • Chemical Equations

Sample Learning Goals

  • Balance a chemical equation.
  • Recognize that the number of atoms of each element is conserved in a chemical reaction.
  • Describe the difference between coefficients and subscripts in a chemical equation.
  • Translate from symbolic to molecular representations of matter.

Tips for Teachers

The teacher's guide (pdf) contains tips created by the PhET team.

Teaching Ideas

Title Authors Level Type Updated
Balancing Equations This contribution has received a Gold Star because it is a high quality inquiry-based activity that follows the PhET design guidelines (PDF) and teachers have found it useful. Stephanie Davis HS
MS		 Lab 9/28/11
Using PhET in High School Chemistry- all my activities in pdf This contribution was designed by PhET. This contribution has received a Gold Star because it is a high quality inquiry-based activity that follows the PhET design guidelines (PDF) and teachers have found it useful. Trish Loeblein HS
UG-Intro		 Demo
Lab
CQs
HW		 7/20/13
Balancing Chemical Equations This contribution has received a Gold Star because it is a high quality inquiry-based activity that follows the PhET design guidelines (PDF) and teachers have found it useful. Jackie Esler MS Lab 7/30/11
Balancing Chemical Equations - Inquiry based Introduction This contribution was designed by PhET. This contribution has received a Gold Star because it is a high quality inquiry-based activity that follows the PhET design guidelines (PDF) and teachers have found it useful. Trish Loeblein UG-Intro
HS		 HW
CQs
Lab		 7/4/13
Concept Questions for Chemistry using PhET This contribution was designed by PhET. This contribution has received a Gold Star because it is a high quality inquiry-based activity that follows the PhET design guidelines (PDF) and teachers have found it useful. Trish Loeblein UG-Intro
MS
HS		 CQs 7/9/13
Balancing Reactions PhET Lab Chris Bires HS Lab 11/15/13
Balancing Chemical Equations Kristin Michalski MS
HS		 Lab 6/2/11
화학반응식 완결하기 SIM 사용지침서 이화국(Wha Kuk Lee) UG-Intro
HS		 Other
Lab		 5/7/13
Ecuaciones Químicas (Introducción) Olimpia Eunice Martinez UG-Intro Lab
HW		 10/15/12

You can submit your own ideas and activities.

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Translated Versions:

Language Language (Translated) Simulation Title
Arabic العربية موازنة المعادلات الكيميائية Run Now
Basque Basque Ekuazio Kimikoen Doiketa Run Now
Bosnian Bosnian IZJEDNAČAVANJE HEMIJSKIH JEDNAČINA Run Now
Brazilian Portuguese português (Brasil) Balanceamento de Equações Run Now
Chinese - Simplified 中文 (中国) 配平化学方程式 Run Now
Chinese - Traditional 中文 (台灣) Balancing Chemical Equations 平衡化學方程式 Run Now
Danish Dansk Afstemning af kemiske ligninger Run Now
Dutch Nederlands Reactievergelijkingen kloppend maken Run Now
Estonian Eesti Keemiliste võrrandite tasakaalustamine Run Now
Finnish suomi Reaktioyhtälöiden tasapainottaminen Run Now
French français Equilibrer les équations chimiques Run Now
Galician Gallegan Axustando Ecuacións Químicas Run Now
Georgian Georgian სტექიომეტრია Run Now
German Deutsch Chemische Gleichungen ausgleichen Run Now
Greek Ελληνικά Εξισορροπώντας Χημικές Εξισώσεις Run Now
Hebrew עברית איזון משוואות כימיות Run Now
Hungarian magyar Kémiai egyenletek rendezése Run Now
Italian italiano Bilanciamento di reazioni chimiche Run Now
Japanese 日本語 化学反応式 Run Now
Kazakh Kazakh иінтіректік химиялық көбейту Run Now
Khmer Khmer សមីកាគីមីដែលមានតុល្យភាព Run Now
Korean 한국어 화학반응식 완결하기 Run Now
Latvian Latviešu Ķīmisko reakciju vienādošana Run Now
Macedonian македонски Изедначување на хемиски равенки Run Now
Marathi Marathi रासायनिक समिकरणे संतूलीत करणे Run Now
Persian Persian موازنه ی معادله های شیمیایی Run Now
Polish polski Bilansowanie Równań Chemicznych Run Now
Russian русский Равновесные хим. реакции Run Now
Serbian Српски Изједначавање хемијских једначина Run Now
Slovak Slovenčina Chemická rovnováha Run Now
Slovenian Slovenščina Urejanje kemijskih enačb Run Now
Spanish español Balanceando Ecuaciones Químicas Run Now
Spanish (Peru) español (Perú) Balanceando Ecuaciones Químicas Run Now
Swedish svenska Balansera kemiska formler Run Now
Turkish Türkçe Kimyasal Reaksiyonları Denkleştirme Run Now
Turkmen Turkmen Himiki deňlemäni balansa getirmek Run Now
Vietnamese Tiếng Việt Cân bằng phương trình phản ứng hoá học Run Now

Software Requirements

Windows Macintosh Linux
Microsoft Windows
XP/Vista/7
Sun Java 1.5.0_15 or later 		OS 10.5 or later
Sun Java 1.5.0_19 or later 		Sun Java 1.5.0_15 or later

Credits

Design Team Third-party Libraries Thanks To
  • Kelly Lancaster (lead)
  • Chris Malley (developer)
  • Patricia Loeblein
  • Emily Moore
  • Robert Parson
  • Kathy Perkins
  • Piccolo2D
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