A chemist vaporized a liquid compound and determined its density. If the density of the vapor at 90.0 °C and 753 mmHg is 1.285 g/L, what is the molecular weight of the compound? Given that R = 0.0821 L'atm/(mol·K). 35.7 amu. 41.7 amu. 38.7 amu. 47.7 amu. 44.7 amu.

12 grams of water occupies:  1 cm ^ 3; 1.2 cm ^ 3; 12 cm ^ 3; 120 cm ^ 3

) A 1 gallon bottle of a certain brand of bleach costs $1.49. Determine the cost to buy enough bleach to supply 100.0 grams of active ingredient (NaOCl), assuming 6.25% active ingredient by mass and a density of 1.05 g/ml.

If you have a piece of lead (dPb = 11.34g cm^-3) with a volume of 23.4 cm^3, what is the mass (in g)?

Every year Every second (1 year 365 days).

what is the thickness of a material that spreads over an area of 600 cm2  and has a volume of 0.25 cm3 ?

Human fat has a density of 0.912 g cm-3.  How much volume (in cm-3) is gained by a person who gains 2.09 kg of pure fat?

Can distillation be used to separate liquid mixtures of three or more components?

Express (5.25*10^4) megameters to meters

Suppose some measurements are made on two different homogeneous stones to find out if they are made of the same kind of rock. The mass and volume measurements are listed below. Are the two stones the same type of rock? Why or why not? Show all calculations. Mass Volume Calculations Stone 1 58.0 g 20.0 cm Stone 2 50.1 g 15.0 cm3 21/common/assets/pdfjs/1.0.0.30/web/viewer.ht...ndered-pdf&fullscreen=Dd21-fileviewer-rendered-pdf-dialog&height=746#0