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Which is the layer underground where all empty spaces are filled with a combination of air and water ?
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Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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In which phase(s) do the molecules take the shape of the container?
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Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?
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How many grams of copper are there in a sample if it displaces 0.980 L of water? The density of
co...
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