Define floating volcanic ash as a colloid.

A solution is prepared by dissolving 91.7 g fructose in 545 g of water. Determine the mole fraction of fructose if the final volume of the solution is 576 mL.

Identify the gas dissolved in club soda.

Solutions having osmotic pressures less than those of body fluids are called

BaS crystallizes in a cubic unit cell with S2- ions on each corner and Ba2+ on each face. How many Ba2+ and S2- ions are in each unit cell of BaS?

The boiling point elevation of an aqueous sucrose solution is found to be 0.67°C. What mass of sucrose (molar mass= 342.30 g/mol) would be needed to dissolve in 500.0 g of water? Kb (water) = 0.512°C/m.

Soap has an ionic and a polar end. It works well to remove oil by

Which of the following represent the addition polymer formed from the compound below? CH2=CH-CH3

Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/gK and 2.3 J/gK, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135°C to liquid ethanol at -60°C?

List the compounds in order of decreasing boiling point. CH3CH2CH3 He​ CH3CHO