Balancing Chemical Equations

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Chemical Equations
Conservation of Mass

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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 1.1.9

For Teachers

Teacher Tips

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

Video Primer

Teacher-Submitted Activities

Title	Authors	Level	Type
Balancing Chemical Equations - Guided Inquiry Activity	Timothy Herzog, Yuen-ying Carpenter	UG-Intro	Guided
Balancing Chemical Equations - Clicker Questions	Yuen-ying Carpenter, Robert Parson, Trish Loeblein	UG-Intro	MC
Balancing Chemical Equations HTML5	Elyse Zimmer	HS	Lab
How do PhET simulations fit in my middle school program?	Sarah Borenstein	MS	Other
Alignment of PhET sims with NGSS	Trish Loeblein	HS	Other
PhET Sims Aligned to the Chemistry Curriculum	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	MS HS	HW Guided
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
Balanceamento, Leis Ponderais e Modelo de Dalton	DANILO JOSE F PINTO	HS	Lab HW 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	MS HS	Lab

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Translations

Language
Basque	All Basque	Ekuazio Kimikoen Doiketa
Bosnian	All Bosanski	IZJEDNAČAVANJE HEMIJSKIH JEDNAČINA
Bulgarian	All български	Балансиране на химични уравнения
Chinese (Simplified)	All 中文 (中国)	配平化学方程式
Chinese (Traditional)	All 中文 (台灣)	Balancing Chemical Equations_平衡化學方程式
Croatian	All hrvatski	Izjednačavanje kemijskih jednadžbi
Czech	All čeština	Vyčíslování chemických rovnic
Danish	All Dansk	Afstemning af kemiske ligninger
Dutch	All Nederlands	Reactievergelijkingen doen kloppen
Finnish	All suomi	Reaktioyhtälöiden tasapainottaminen
French	All français	Equilibrer les équations chimiques
German	All Deutsch	Reaktionsgleichungen ausgleichen
Greek	All Ελληνικά	Εξισορροπώντας χημικές εξισώσεις
Hebrew	All עברית	איזון משוואות כימיות
Hindi	All हिंदी	रासायनिक समीकरण संतुलन
Hungarian	All magyar	Kémiai egyenletek rendezése
Italian	All italiano	Bilanciamento di reazioni chimiche
Kannada	All Kannada	ರಾಸಾಯನಿಕ ಸಮೀಕರಣಗಳ ಸಮತೋಲನ
Korean	All 한국어	화학반응식 완결하기
Latvian	All Latviešu	Ķīmisko reakciju vienādojumi
Marathi	All मराठी	रासायनिक समिकरणे संतूलीत करणे
Norwegian Bokmal	All Norsk bokmål	Balanser kjemiske ligninger
Oriya	All Oriya	ସମତୁଲ ରାସାୟନିକ ସମୀକରଣ
Polish	All polski	Bilansowanie Równań Chemicznych
Portuguese (Brazil)	All português (Brasil)	Balanceamento de Equações Químicas
Sinhalese	All Sinhalese	රසායනික සමීකරණ තුලනය
Slovak	All Slovenčina	Chemická rovnováha
Slovenian	All Slovenščina	Urejanje kemijskih enačb
Spanish	All español	Balanceo de Ecuaciones Químicas
Spanish (Mexico)	All español (México)	Balanceo de Ecuaciones Químicas
Spanish (Peru)	All español (Perú)	Balanceando Ecuaciones Químicas
Spanish (Spain)	All español (España)	Ajuste de ecuaciones químicas
Swahili	All Swahili	Sawazisha Equation za Chemia
Swedish	All svenska	Balansera reaktionsformler
Tamil	All Tamil	இரசாயன சமன்பாடுகளை சமப்படுத்தல்
Thai	All ไทย	การดุลสมการเคมี
Turkish	All Türkçe	Kimyasal Reaksiyonları Denkleştirme
Vietnamese	All Tiếng Việt	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
Internet Explorer 10+ latest versions of Chrome and Firefox	Safari 6.1 and up latest versions of Chrome and Firefox	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	almond-0.2.9.js FileSaver-b8054a2.js fontawesome-webfont-3.0.2.svg jama-1.0.2 jquery-2.1.0.js lodash-2.4.1.js pegjs-0.7.0.js text-2.0.12.js	American Association of Chemistry Teachers Mobile Learner Labs