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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?
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A75 gram bar of gold is cut into three equal pieces. how does the density of each piece compare to t...
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