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What is the independent variable in this investigation? mass volume sample number substance density
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.
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How does the reaction of iodine with the potato cells?...
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