Chemistry Homework Help

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102 solutions

Density

#### Q. How much liquid ethanol (in mL) do you need to add to water to make 250.0 mL of a 45.0 g ethanol/L solution? The density of liquid ethanol is 0.789 g/mL ?

Solved • Mar 25, 2020

Density

#### Q. Ethylene glycol, antifreeze, has a density of 1.11g/cm^3 at 20C. what volume would 56.8 grams of ethylene glycol occupy?

Solved • Feb 26, 2020

Density

#### Q. A piece of metal alloy with a mass of 114 g was placed into a graduated cylinder that contained 25.0 mL of water, raising the water level to 42.5 mL. What is the density of the metal? How do I get this answer?

Solved • Feb 23, 2020

Density

#### Q. The hope diamond weighs 44.0 carats. Determine the volume occupied by the diamond given that its density is 3.5 g/cm3 at 20 °C and that 1 carat = 0.200 g. How do I get this answer?

Solved • Feb 23, 2020

Density

#### Q. The density of air at ordinary atmospheric pressure and 25 °C is 1.19 g/L. What is the mass, in kilograms, of the air in a room that measures 14.5 ft * 16.5 ft * 8.0 ft?

Solved • Feb 22, 2020

Density

#### Q. The density of table sugar is 1.59 g/mL. It is true that a. 2.00 g of table sugar occupies a volume of 1.17 mL. b. 3.00 g of table sugar occupies a volume of 1.97 mL. c. 5.00 g of table sugar occupies a volume of 3.14 mL d. more than one correct response e. no correct response

Solved • Feb 12, 2020

Density

#### Q. How long will it take to fill a cylinder-shaped vat (with radius of 23.9 ft and depth of 19.0 ft) with a certain liquid (d=1.27 g/mL) if it is spilling out of the hose at 12313.7 g/s? (1.00 in = 2.54E0 cm)

Solved • Feb 5, 2020