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Sufficient of a monoprotic acid is dissolved in water to produce a 0.0166 M solution and the pH of the resulting solution is 2.60. Compute the pKa for the acid
How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq) + H2SO4(aq) => (NH4)2SO4(aq).
Draw structure for the product from reaction of 1,3-cyclohexadiene and maleic acid (cis-2-butenedioic acid).
The heat combustion of acetylene, C2H2(g), at 25°C, is -1299 kJ/mol. At this temperature, ?H°f values for CO2(g) and H2O(l) are -393 and -286 kJ/mol
Calculate the vapor pressure lowering associated with the dissolving of 35.5 grams of sugar (C12H22O12, MM=343g/mol), in 400 grams of water at 25 degrees C. Ph2o @ 25 degrees=18.6 mmhg
Calculate the molarity of a solution of glycerol made by dissolving 46.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
At 25 degrees Celsius, by what factor is the reaction rate increased by a catalyst that reduces activation energy of the reaction by 1.00 kJ/mol
A 3.18 L sample of hydrogen chloride (HCl) gas at 1.64 atm and 31 degrees C is completely disolved in 710 mL of water to form hydrochloric acid solution. Calculate the molarity of the solution. Assume no change in volume
calculate the masses of the solid you must measure out to prepare 100ml each of 0.025 m kno3 0.025 m cuso4 0.025 m
Balance each of the following equations. Classify each reaction as combination, decomposition, single-displacement, or double-displacement.
Assuming that DHo and DSo hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
When the gases dihydrogen sulfide and oxygen react, they form the gase sulfur dioxide and water vapor
How many silicon atoms are there in 1 cm3 of material. Suppose you dope that 1cm3 sample of silicon with 1ppm of phosphorus that will increase the conductivity by a factor of a million. How many milligrams of phosphorus are required
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