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Created 3/25/18. Updates available online.

Balancing Chemical Equations

Balancing Chemical Equations Screenshot
  • Chemical Equations
  • Conservation of Mass
Java Logo Original Sim and Translations

About

Topics

  • Chemical Equations
  • Conservation of Mass

Description

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!

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.
Version 1.1.10

For Teachers

Teacher Tips

Download teacher tips PDF Overview of sim controls, model simplifications, and insights into student thinking ( PDF ).

Teacher-Submitted Activities

Title Gold Star Contribution Contribution by PhET Authors Level Type
Balancing Chemical Equations - Guided Inquiry Activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Timothy Herzog, Yuen-ying Carpenter UG-Intro Guided
Balancing Chemical Equations - Clicker Questions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Yuen-ying Carpenter, Robert Parson, Trish Loeblein UG-Intro MC
Balancing Chemical Equations HTML5 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Elyse Zimmer HS Lab
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein HS Other
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein MS Other
PhET Sims Aligned to the Chemistry Curriculum This contribution was designed by PhET. Julia Chamberlain HS
UG-Intro		 Other
MS and HS TEK to Sim Alignment Elyse Zimmer HS
MS		 Other
Balancing Chemical Reactions Game Jeff Drach HS Other
Explore Balancing Chemical Equations Patricia Garcia MS Guided
Student Guide for PhET - Balancing Chemical Equations in html5 Brian Libby HS
MS		 Guided
HW
Balancing Equations PhET Kristine McDaniel HS Guided
High School Chemistry 1 level Balancing Equations laura peck HS Lab
Balancing Chemical Equations Inquiry Lab Tony Tracy HS Lab
Preguntas de razonamiento para todas las simulaciones HTML5 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Diana López HS
K-5
MS
UG-Intro
UG-Adv
Grad		 Discuss
HW
Bilanciamento di reazioni chimiche___ITALIANO Natasha Samousenko MS
HS		 Lab
Balanceamento, Leis Ponderais e Modelo de Dalton DANILO JOSE F PINTO HS Lab
Guided
HW
Guía Balanceo de ecuaciones químicas Andrea Ortega Fernández MS Guided
Balanceando Ecuaciones Elvis Rivera HS Lab
Guía de consejos para docentes: balanceando ecuaciones químicas Adriana Chisco Other Other
Rätta Kemiska Ekvationer - steg för steg Timothy Herzog, Yuen-ying Carpenter; translated by Sofia Borg HS
MS		 Lab

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Translations

Language Download or Run Tips
Basque All Basque Run now Ekuazio Kimikoen Doiketa
Bosnian All Bosanski Run now IZJEDNAČAVANJE HEMIJSKIH JEDNAČINA
Bulgarian All български Run now Балансиране на химични уравнения
Chinese (Simplified) All 中文 (中国) Run now 配平化学方程式
Chinese (Traditional) All 中文 (台灣) Run now Balancing Chemical Equations_平衡化學方程式
Croatian All hrvatski Run now Izjednačavanje kemijskih jednadžbi
Czech All čeština Run now Vyčíslování chemických rovnic
Danish All Dansk Run now Afstemning af kemiske ligninger
Dutch All Nederlands Run now Reactievergelijkingen doen kloppen
Finnish All suomi Run now Reaktioyhtälöiden tasapainottaminen
French All français Run now Equilibrer les équations chimiques
German All Deutsch Run now Reaktionsgleichungen ausgleichen
Greek All Ελληνικά Run now Εξισορροπώντας χημικές εξισώσεις
Hebrew All עברית Run now איזון משוואות כימיות
Hindi All हिंदी Run now रासायनिक समीकरण संतुलन 
Hungarian All magyar Run now Kémiai egyenletek rendezése
Irish All Gaeilge Run now Cothromóidí Ceimiceacha Cothromaithe
Italian All italiano Run now Bilanciamento di reazioni chimiche
Kannada All Kannada Run now ರಾಸಾಯನಿಕ ಸಮೀಕರಣಗಳ ಸಮತೋಲನ
Kazakh All Kazakh Run now Химиялық теңдеулерді теңестіру
Korean All 한국어 Run now 화학반응식 완결하기
Latvian All Latviešu Run now Ķīmisko reakciju vienādojumi
Maori All Maori Run now Te Whakatautika i Ngā Whārite Matū
Marathi All मराठी Run now रासायनिक समिकरणे संतूलीत करणे
Norwegian Bokmal All Norsk bokmål Run now Balanser kjemiske ligninger
Oriya All Oriya Run now ସମତୁଲ ରାସାୟନିକ ସମୀକରଣ
Polish All polski Run now Bilansowanie Równań Chemicznych
Portuguese (Brazil) All português (Brasil) Run now Balanceamento de Equações Químicas
Russian All русский Run now Уравнивание химических уравнений
Serbian All Српски Run now Изједначавање хемијских једначина
Sinhalese All Sinhalese Run now රසායනික සමීකරණ තුලනය
Slovak All Slovenčina Run now Chemická rovnováha
Slovenian All Slovenščina Run now Urejanje kemijskih enačb
Spanish All español Run now Balanceo de Ecuaciones Químicas Download teacher tips PDF
Spanish (Mexico) All español (México) Run now Balanceo de Ecuaciones Químicas
Spanish (Peru) All español (Perú) Run now Balanceando Ecuaciones Químicas
Spanish (Spain) All español (España) Run now Ajuste de ecuaciones químicas
Swahili All Swahili Run now Sawazisha Equation za Chemia
Swedish All svenska Run now Balansera reaktionsformler
Tamil All Tamil Run now இரசாயன சமன்பாடுகளை சமப்படுத்தல்
Thai All ไทย Run now การดุลสมการเคมี
Turkish All Türkçe Run now Kimyasal Reaksiyonları Denkleştirme
Vietnamese All Tiếng Việt Run now Cân bằng phương trình phản ứng hoá học

Software Requirements

Windows 7+ Mac OS 10.7+ iPad and iPad Mini with iOS Chromebook with Chrome OS
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Chrome.
Safari 9+, latest version of Firefox, latest version of Chrome.
Latest version of Safari
Latest version of Chrome

Credits

Design Team Third-party Libraries Thanks To
  • Yuen-ying Carpenter (lead)
  • Chris Malley (developer)
  • Kelly Lancaster
  • Julia Chamberlain
  • Patricia Loeblein
  • Emily B. Moore
  • Robert Parson
  • Ariel Paul
  • Kathy Perkins
  • undefined
  • American Association of Chemistry Teachers
  • Mobile Learner Labs
English
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