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Pd 5 Chemistry March 18, 2010

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Balance the equation Write the equation Start the ratio

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Go to the Next part of the Question!!!

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Hint: What do we need to figure out the moles part of the stoichiometry problem… Go Back to 1 st Q

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2Hg + O 2 2HgO Hg + O 2 HgO Hg Hg + O 2

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Go to the Next part of the Question!!!

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Hint: Is the equation balanced. Go Back to 2 st Q

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What’s FIRST?

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Go to the Next part of the Question!!!

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Hint: Are all the numbers correct in the ratio equation? Go Back to 3 st Q

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Go to the Next part of the Question!!!

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Hint: Look at the element, amount, and where they are placed on the ratio equation. Go Back to 4 st Q

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NEXT

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And then…And then…And then… And then… And then… Have to start Stoichiometry for O 2 We are done Hg is limiting

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Go to the Next part of the Question!!!

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Hint: What do we need to decide if something is limiting Go Back to 6 st Q

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Next?

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Go to the Next part of the Question!!!

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Hint: Look at the element, amount, and where they are placed on the ratio equation. Go Back to 7 st Q

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270.7 g HgO NEXT

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O 2 =270.7 g HgO Hg= 16.2 g HgO

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Hint: The smaller number is limiting because there less of that element to use. Go Back

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YAY!!!! We’re done

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Why do I care??? Balanced equations give exact mole ratios When the reactions are carried out, the reactants are usually not available in those same.

Why do I care??? Balanced equations give exact mole ratios When the reactions are carried out, the reactants are usually not available in those same.

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