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How would you calculate the quantitative solubility of calcium nitrate (Ca(NO3)2 after saturating the solution, heating, and drying and the precipitate formed weighs 1.3 g
Calculate the theoretical yield of C2H5Cl when 138 g of C2H6 reacts with 244 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
PCl5(g) --> PCl3(g) + Cl2(g)
The Dissolution of lithium iodide is exothermic and the lattice energy is smaller in magnitude than the heat of hydration. Explain why the solution forms and what drives the process
a solution of ammonia and water contains 4.90 x 10^25 water molecules. How many total hydrogen atoms are in this solution
The delta H sub f of FeBr3 is -269 kJ/mol and the delta H for the reaction 2Fe (s) + 3Br2 (g)----> 2Br3 (s) is -631 kJ/mol . Calculate the Delta H of evaporation of Br2 (l) which is a liquid at 25 degrees Celcius.
A semipermeable membrane is placed between the following solutions. Which solution will decrease in volume? Solution A: 1.31% (m/v) starch Solution B: 7.48% (m/v) starch
Explain What would be the effect on your calculated mass percent recovery Cu if you used all your NaOH solution in part ll and the litmus paper never turned blue
A glycerol solution weighing 153.2 mg was treated with 50.0 mL of 0.0899 M Ce4+ in 4M HClO4 at 60 degrees C for 15 min to convert glycerol into formic acid: C3H8O3 + 8Cefourplus + 3H2O ----> 3HCO2H + 8Cethreeplus + Fethreeplus
weak acid in water with a Ka of 4.0x10^-4. Write the equilibrium constant expression for this acid. ( Ka)
an aqueous solution of cacl2 has a vapor pressure of 83.0mmhg at 50 c . the vapor pressure of pure water at this
A sample containing 839g of water was cooled from 95°C to 27°C. How much heat was involved in this process? provide the answer in joules or kilojoules
an aqueous solution formed by dissolving 1.62 grams of anhydrous aluminium chloride in 50.0 grams of h2o has a freezing
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