Balancing Chemical Equations

Chemical Equations

Donate

PhET is supported by

and educators like you.

Back to HTML5 Version

About

Topics

Chemical Equations

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 1.01

For Teachers

Teacher Tips

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

Teacher-Submitted Activities

Title	Authors	Level	Type
Using PhET in High School Chemistry- all my activities in pdf	Trish Loeblein	UG-Intro HS	Lab HW Demo
Concept Questions for Chemistry using PhET	Trish Loeblein	HS MS UG-Intro	MC
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 - Inquiry based Introduction	Trish Loeblein	HS UG-Intro	Lab HW CQs
Balancing Equations	Stephanie Davis	MS HS	Lab
Balancing Chemical Equations	Jackie Esler	MS	Lab
Alignment of PhET sims with NGSS	Trish Loeblein	HS	Other
How do PhET simulations fit in my middle school program?	Sarah Borenstein	MS	Other
PhET Sims Aligned to the Chemistry Curriculum	Julia Chamberlain	UG-Intro HS	Other
MS and HS TEK to Sim Alignment	Elyse Zimmer	MS HS	Other
Balancing Chemical Equations	Kristin Michalski	MS HS	Lab
Balancing Equations Game Sheet	Valerie Chapple	MS HS	Lab
Leerlingformulier Reactievergelijking kloppend maken	Nikè Bon	HS	HW
화학반응식 완결하기 SIM 사용지침서	이화국(Wha Kuk Lee)	UG-Intro HS	Other Lab
Balanceamento, Leis Ponderais e Modelo de Dalton	DANILO JOSE F PINTO	HS	Lab HW Guided
Guía de consejos para docentes: balanceando ecuaciones químicas	Adriana Chisco	Other	Other
Ecuaciones Químicas (Introducción)	Olimpia Eunice Martinez	UG-Intro	HW Lab
Rätta Kemiska Ekvationer - steg för steg	Timothy Herzog, Yuen-ying Carpenter; translated by Sofia Borg	HS MS	Lab

Share an Activity!

Translations

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