8.How many minutes does it take light from the sun to reach Earth? (The distance

9.Normal body temperature is 78.0°F. Calculate this temperature in degrees Celsius and Kelvin. (4 points)

10.Bromine is a reddish-brown liquid. Calculate its density (in g/mL) if 586 g of the substance occupies 188 mL. (4 points)

11.Aluminum is a lightweight metal (density = 2.70 g/cm3) used in aircraft construction, high-voltage transmission lines, beverage cans, and foils. What is its density in kg/m3? (4 points)

3

12.Calculate the mass of a cube of platinum of edge length 0.040 mm (the density of platinum = 21.4 g/cm3). (5 points)

=

13.A piece of silver (Ag) metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of water now reads 260.5 mL. From these data calculate the density of silver in units of g/mL. (5 points)

14.Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. If the average adult has 6.0 liters of blood, how many grams of cholesterol would be in the blood of an average adult with a cholesterol reading of 185 mg/dL? Density of

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