E13.022 – Colloids
OWLv2 for General Chemistry
Cengage
01st Edition
A type of colloid is given. What is the phase and what phase is it dispersed in?
A type of colloid is given. What is the phase and what phase is it dispersed in?
A compound is x% by mass. The M at 20 degrees celsius is also given. What is the density and what volume should be used to prepare x liters of x molarity solution?
The normal boiling point of a liquid is given. A solution is made with X grams of a nonelectrolyte dissolved in x grams of the liquid. The boiling point of the solution is given. Calculate Kfb.
An x molal solution is given as well as it’s melting point. What is the effective number of particles?
A polymer of large molar mass is dissolved to form a solution that rises to a final height of x cm. The solution has x g polymer per liter and a given density. What is the molar mass?
Water is mixed with a gas at a certain pressure in atm. X kg of the solution is removed and results in a volume (L), temperature (°C) and pressure (atm). What is the Henry’s law constant?
The vapor pressure of a substance at a certain temperature is given. The vapor pressure of water at the same temperature is also given. What is the freezing point?
The Henry’s law constant for a hydrocarbon is given in atm. A solution has x grams of the hydrocarbon per x L of water. Calculate the partial pressure and number of molecules per cubic centimeter.
Complete combustion of x grams yield x grams CO2 and x grams H2O. Grams of the compound dissolved in grams of water as well as the freezing point and Kfp are also given. Determine the molecular formula.
Complete the table from the given data.