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Balancing Chemical Equations Phet Key

This worksheet guides students through a chemistry simulation on balancing chemical equations. It includes questions on molecule and atom counts, reaction types, and helps develop understanding of conservation of mass through interactive exploration.

Daniel Miller
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Name:Hr:BALANCING CHEMICAL EQUATIONSLoad the simulation Balancing Chemical Equationshttp://phet.colorado.ed u/en/sim ulation/balancing-chemical-equations1.Explore theBalancing Chemical Equationssimulation.a)What are rhe different ways that the simulation indicates when an equation is balanced?The arrows turn yellow and a yellow smiley face pops out of nowhereYou can also choose a balance and it shows how its balancedThere is also a graph where you can see itFor each balanced reaction, indicate the total number of molecules in tire table below, it shows abalance above for each element as well as a bar graphReactionTotal Number of MoleculesReactant Side(Left)Product Side(Right)Make Ammonia42Separate Water23Combust Methane333. Is the number of total molecules on the left side of a balanced equation always equal to thenumber of total molecules on the right side of the equation? Explain your answer.No, the molecules don't always equal since the atoms combine in different ways to make themolecules.4. For each balanced reaction, indicate the total number of atoms in the table below.ReactionTotal Number of Atoms

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Chemistry

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