1. Intro to General Chemistry
Density
1. Intro to General Chemistry
Density
08:58
Showing 10 of 10 videos
Practice this topic
- Multiple Choice
When lead levels in blood exceed 0.80 ppm (parts per million) the level is considered dangerous. 0.80 ppm means that 1 million g of blood would contain 0.80 g of Pb. Given that the density of blood is 1.060 kg/cm3, how many grams of Pb would be found in 400.00 mL of blood at 0.620 ppm?
4948views12rank13comments - Multiple ChoiceHow many mL of bromine are required to deliver 0.25 g of bromine into a reaction?
(dBr = 3.12 g/cm3)960views - Textbook Question
Consider the two spheres shown here, one made of silver and the other of aluminum. (a) What is the mass of each sphere in kg?
344views - Textbook Question
Consider the two spheres shown here, one made of silver and the other of aluminum. (a) What is the mass of each sphere in kg?
450views - Textbook Question
(b) Three cubes of equal mass are composed of gold (density = 19.32 g/cm3), platinum (density = 21.45 g/cm3), and lead (density = 11.35 g/cm3). List the cubes from smallest to largest.
1059views - Textbook QuestionConsider 20 mL samples of the following liquids. Which sample has the largest mass? (LO 1.9) (a) Water (density = 1.0 g/mL) (b) Glycerol (density = 1.26 g/mL) (c) Ethanol (density = 0.79 g/mL) (d) Acetic acid (density = 1.05 g/mL668views
- Multiple ChoiceA block of solid that weighs 58.16 g was placed in a container with a 100 mL capacity. It was then filled to capacity with liquid benzene and measured to have a combined weight of 96.15 g. Calculate the density of the solid if the density of benzene is 0.879 g/mL.593views
- Multiple ChoiceA small flask and stopper is found to weigh 23.994 g. It is carefully filled with water and reweighed. The new weight is 50.00 g. If the water density is taken as 1.000 g/ml, what is the volume of the flask?607views