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Published bySharleen Taylor Modified over 6 years ago

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Density Exam Review

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If you placed a 15 cm 3 sized object into 20 mL of water, how much water will be displaced? 15 mL of water

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A cube of clay has a density of 1.20 g/cm 3, if a 25 gram cube of clay was cut in half, what would be the density of each of the pieces? 1.20 g/cm 3 = Density DN change!!

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If you see the SI units of grams, what parameter does this represent? MASS

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If you see the SI units of mL, what parameter does this represent? Volume of a Liquid

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If you see the SI units of cm 3, what parameter does this represent? Volume of a Solid

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If you see the SI units of g/cm 3, what parameter does this represent? Density of a Solid If you see the SI units of g/mL, what parameter does this represent? Density of a Liquid

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Maple Wood (D = 0.669 g/cm 3 ) Granite (D = 2.163 g/cm 3 ) Tungsten (D = 18.80 g/cm 3 ) All three were thrown into water, which would float? Maple Wood Which would sink? Granite & Tungsten

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Your swan ice sculpture is approximately 250 cm 3 in size. If the density of ice is 0.9167 g/cm 3 then what is it’s mass? M = Dv = (0.9167 g/cm 3 )(250 cm 3 ) = 229.18 g

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A piece of copper was found to have a mass of 117 g - what is it’s volume? D = 8.96 g/cm 3 V = m/D = 117 g / 8.96 g/cm 3 = 13.06 cm 3

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A object has a mass of 25.00 g and a volume of 10 cm 3 - what is the object made out of? D = m/v = 25 g / 10 cm 3 = 2.5 g/cm 3 = GLASS

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