Balancing Chemical Equations

Lab type: 
Virtual lab
Lab owner: 
Chris Malley,
Emily Moore,
Kathy Perkins,
Kelly Lancaster,
Patricia Loeblein,
PhET Interactive Simulations,
Robert Parson
Contact person: 
Kelly Lancaster
Age range: 
10-12, 12-14
Language: 
English, German, French, Italian, Spanish, Polish, Dutch, Hungarian, Portuguese, Greek, Swedish, Czech, Bulgarian, Slovak, Danish, Finnish, Slovene, Croatian, Latvian, Basque, Russian, Turkish, Chinese, Hindi, Bosnian, Serbian
Level of difficulty: 
Medium
Level of interaction: 
High
Booking required: 
No
 
Lab description and primary aims of the lab: 

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!

Primary aims of the lab:

  • 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.

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