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How much heat is required to change the temperature of 200g of water from 20 OC to 50OC?
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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How much heat is required to change the temperature of 200g of water from 20 OC to 50OC?...
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