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Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
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In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
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Amatch has about 21 milligrams of red phosphorus coating the tip. how many atoms of phosphorus is this?
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If 125 cal of heat is applied to a 60.0-g piece of copper at 25.0 ? c , what will the final temperature be? the specific heat of copper is 0.0920 cal/(g? ? c) .
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The combustion of 43.9g of ammonia produces g of no2...
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