Tutor – Freezing Point Depression (Positive Kf)
OWLv2 for General Chemistry
Cengage
01st Edition
A solution is given where x grams of sugar are dissolved in x grams of water. What is the freezing point? Molar mass of sugar is also given.
A solution is given where x grams of sugar are dissolved in x grams of water. What is the freezing point? Molar mass of sugar is also given.
Joules of heat and work are given. You are also told if heat is absorbed or generate and if work is done on the system or by the system. What is ∆E?
A gas’s Henry’s Law constant and temperature is given. What is the concetration of the gas in g/mL? Total pressure and pressure of water vapor also given.
Determine if each of the three given compounds are strong electrolytes, weak electrolytes or nonelectrolyte.
A solution dissolved x grams of a compound to make x mL of solution. What is the molarity of each of the compound and ion species?
What is the wavelength (in pm) of electrons when a beam of electrons (mass given in kg/electron) is moving at an average speed (given in m/s)?
A sample has x grams of salt. What is this amount in kilograms (or another SI unit)?
How many grams are needed to make x mL of an x M solution?
A molar mass is given. Determine the osmotic pressure in mm Hg for a sample at x °C, x grams and x mL.
The volume (mL) and temperature (°C) for a sample of benzene are given along with its melting point, density, specific heat and fusion enthalpy. How much energy is transferred in J?