DE Chemistry_Unit 1 Quizizz2_2021

The melting point of a particular solid is 2631 K. This corresponds to

• 4276 F

• 2904 C

• 1342 F

• 4212 F

Convert -89 ^oC to K

• 184K
• 362K
• -362K
• -184K

How many grams are in a kilogram

• 10
• 100
• 1000
• 10000

1540 grams could also be written as

• 1.54 g

• 1.54 kg

• 1.54 mg

• 1.54x10³ kg

A car averages 28.5 miles per gallon of gasoline. How many liters of gasoline will be needed for a trip of 415 km? Some conversion factors that may be helpful are the following:

1 qt = 0.946 L

1 mile = 1.609 km

4 qt = 1 gal (exact)

1 ft = 12 in (exact)

• 34.2 L

• 510 L

• 213 L

• 92.6 L

Convert 12.36 cm³ to cubic inches (in³) given that 1 inch = 2.54 cm (exact).

• 0.754 in³

• 4.865 in³

• 31.39 in³

• 1.325 in³

. How many feet (ft) are contained in 0.496 km, given that 1 mi = 1.609 km and 5280 ft = 1 mi (exact)

• 1628 ft

• 1510 ft

• 4218 ft

• 6150 ft

. What volume of a pure liquid (density 0.860 g/mL) has a mass of 0.360 kg?

• 419mL

• 310 mL

• 2.39 mL

• 168 mL

A piece of metal (mass = 18.300 g) is placed in 11.00 mL of chloroform (d = 1.498 g/mL) in a 25-mL graduated cylinder. The chloroform level increases to 15.46 mL. The best value for density of this metal from these data is

• 1.18 g/mL

• 4.10 g/mL

• 6.15 g/mL

• 2.74 g/mL

Convert 300 meters to centimeters:

• 3000 cm
• 0.3 cm
• 30,000 cm
• 3 cn