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How many grams of KNO3 can be dissolved in 100ml of H2O at 30°c
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Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Determine type of reaction & predict the product c3h12+o2 =
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If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?
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How many grams of KNO3 can be dissolved in 100ml of H2O at 30°c...
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