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?
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A type of colloid is given. What is the phase and what phase is it dispersed in?
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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?
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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.
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An x molal solution is given as well as it’s melting point. What is the effective number of particles?
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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?
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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?
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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?
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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.
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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.
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Complete the table from the given data.
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