Question: Many plastics have a density that is less than 1.0. Could the water displacement method used to determine the densities of the solids in this

Many plastics have a density that is less than 1.0. Could

the water displacement method used to determine the densities of the solids

in this laboratory be used to measure plastics in the density range

Many plastics have a density that is less than 1.0. Could the water displacement method used to determine the densities of the solids in this laboratory be used to measure plastics in the density range of 0.8-0.9 g/mL? Briefly explain. (10 points) When you compare the density values of the pennies to pure copper do you find it likely that pennies is composed are pure copper based on the data you obtained? Are the oldest and newest pennies the same or different in composition based on the observed density? Briefly explain. (10 points) Volume of All Pennies 10.39ml Mass of All Pennies 27.6924g Average Density of All Pennies Number of Pennies 10 Average Volume of One Penny Average Mass of One Penny Comparison of Pennies (5 points): Density Volume Oldest Penny Newest Penny Average of One Penny Date 1967 Radius Mass 3.0264g Diameter 1.904cm Height Volume Density 2000 2.45029 1.907cm

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