Determine the experimental vant hoff factor
Question: The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff factor of MgSO4 at this concentration.
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Air at 25°C and 100 kPa has a dew point of 16°C. If you want to remove 50% of the initial moisture in the air (at a constant pressure of 100 kPa), to what temperature should you cool the air
Question: A 0.1391 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 J/°C. The calorimeter contains exactly 281 g of water, and the temperature increases by 1.126°C. Calculate the
Calculate the difference in the chemical potential of sucrose at 0.01 M and at 0.0001 M concentrations.
For the reaction A+B+C → D+E, the initial reaction rate was measured for various initial concentrations of reactants. What is the reaction order with respect to A?
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0×10?2 M NaOH. -benzoic acid (C6H5COOH)
Use an enthalpy diagram to calculate the lattice energy of CaCl2 from the following information. Energy needed to vaporize one mole of Ca(s) is 192 kJ.
67.0 mL of a 1.80 M solution is diluted to a voume of 218 mL. A 109 mL portion of that solution is diluted using 121 mL of water. What is the final concentration
Question: In a reaction, 34.6 g of chromium(III) oxide reacts with 12.3 g of aluminum to produce chromium and aluminum oxide. If 23.7 g of chromium is produced, what mass of aluminum oxide is produced?
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
What is the total mass of the Earth's atmosphere. How does this compare to the mass of the Earth
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