Find the expected freezing point of a water solution
Find the expected freezing point of a water solution that contains 268 g of aluminum nitrate, Al(NO3)3, in 8.50 kg of water.
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Consider the following combustion reaction: 2C4h10 + 13O2 -> 8O2 + 10H20. 125 g of C4H2O react with 415g O2. Which substance is the limiting reactants?
Triangle symbol H degree = 2816kJ 6CO2(g) + 6H2O (l) C6H12O6(s) + 6O2 (g) How is the equilibrium yield of C6H12O6 affected by increasing P CO2 (explain).
A 2.50-g sample of a large biomolecule was dissolved in 17.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
A student found that a maximum of 0.800g silver acetate is able to dissolve in 100.0ml of water. What is the molar solubility and Ksp for the salt?
Calculate the pH of the resulting solution at the following points of the titration curve: 83.00 mL of the titrant, NaOH, have been added.
What is the pressure in a 22.7L cylinder filled with 10.8 g of oxygen gas at a temperature of 343 K?
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
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