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Balancing Act - PhET Interactive Simulations
Balancing Act Answer Key: Page 1 Problems 2 Ca + O 2 2 CaO N 2 + 3 H 2 2 NH 3 2 Cu 2O + C 4 Cu + CO 2 2 H 2O 2 2 H 2O + O 2 Hint: Add the O atoms on the product side together when doing the counts. Page 2 Practice Problems 1. 2 Na + MgF 2 2 NaF + Mg 2. Mg + 2 HCl MgCl 2 + H 2 3. Cl 2 + 2 KI 2 KCl + I 2 4.
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Balancing Act Answer Key: Page 1 Problems 2 Ca + O 2 2 CaO N 2 + 3 H 2 2 NH 3 2 Cu 2O + C 4 Cu + CO 2 2 H 2O 2 2 H 2O + O 2 Hint: Add the O atoms on the product side together when doing the counts. Page 2 Practice Problems 1. 2 Na + MgF 2 2 NaF + Mg 2. Mg + 2 HCl MgCl 2 + H 2 3. Cl 2 + 2 KI 2 KCl + I 2 4.
Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.
Welcome to It's Elemental - Balancing Act! The computer will give you a number of incomplete chemical equations. Balance the chemical equations by selecting coefficients from the pull-down menus. Once you think the equation is balanced, press the 'Check my answer!' button. Have fun and good luck!
Balancing Act 1.0.2 - PhET Interactive Simulations
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The suggested questions promote discussions among participants, and the varying levels of difculty make the activities ideal for a wide range of ages. For younger students, the game could just entail moving the blocks towards and away from the pivot to balance the lever. Older students can use the equations to estimate how the lever will behave.
