Temp Conversions and Density Practice

Convert: 186.5 K to C

• -86.4 C
• -50 C
• -68.4 C
• 180 K

Convert: -45.9 C to K:

• 227.1 K

• 400 K

• 0 K

• 373 K

Convert 20.0^oC to Kelvin.

• 273 K

• 298 K

• 293 K

• 20 K

Convert 273K to ^oC

• 546 ^oC

• -273 ^oC

• 0 ^oC

• 0 K

A bunsen burner flame has a temperature of 1700 K, what is this temperature in Celsius?

• 1427 ^oC

• 1973 ^oC

• 1463 ^oC

• 6.3 ^oC

An irregularly shapped rock is dropped into a graduated cylinder filled with 20 mL of water. The water rises 32 mL. The mass of the rock is 22 g. What is the density of the rock?

• 264 g/mL

• .55 g/mL

• 1.83 g/mL

• 10 g/mL

Use the density chart to identify the substance. If the substance has a volume of 5 cm³ and a mass of 52.5.

• lead

• aluminum

• silver

• water

What is the volume of the rock?

• 40 mL

• 30 mL

• 20 mL

• 10 mL

A block of aluminum occupies a volume of 15 mL and has a mass of 40.5 g. What is its density?

• .37 g/mL

• 605.5 g/mL

• 2.7 g/mL

• 25.5 g/mL

What is the mass of ethanol that fills a 200 mL container? The density of ethano is .789 g/mL.

• 157.8 mL

• 157.8 g

• 253.49 g

• .004 mL