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five times in the course of parts a-d of this experiment you were able to dissolve an "insoluble" compound, something that seems like a contradiction in terms, identify each of the 5 compounds and briefly explain what made each of these dissolutions possible.
What is the change in enthalpy when 18.4 g of steam at 100?C is converted to liquid water at the same temperature and pressure? The heat of vaporization of water is 40.7 kJ/mole. Answer in units of kJ.
Estimate the triple point of water using the clapeyron equation and the boiling and freezing points at 1 bar. Use 1.00 g*cm^-3 for the density of liquid water
What is the molarity (M) of a solution that contains 2.553 grams of NaOH (MM = 40.00 g/mol) in 81.11 mL of solution.
determines how many grams of glucose are in 100 mL of the final solution?
When a container is filled with 3.00 moles of H2, 2.00 moles of O2, and 1.00 mole of N2, the pressure in the container is 465 kPa. What is the partial pressure of O2
Calculate the equilibrium concentrations of H3O^+, A^-, and HA in a 0.040 M solution of the acid, along with the pH of the solution.
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container. what is the total pressure in the container at equilibrium?
NO (g) + O3 (g)-> NO2 (g) + O2 (g) For the reaction given, the frequency factor A is 8.7 x 1012 s-1 and the activation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C.
The concentration fo certain sodium hydroxide solution was determined phthalate(abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol.
A 15.0mL aliquot of KOH 0.300 M is added to 500.0 mL of a buffer solution that is 0.225 M in hypochlorous acid (HClO) and 0.333 M in sodium hypochlorite. What is the pH of the solution? The K of hypochlorous acid is 3.8*10-8.
Lactic acid, HC3H5O3, is a monoproctic acid that forms when milk sours. An 18.50 ml sample of a solution of lactic acid required 17.52 ml of 0.1550 M NaOH to reach an end point in titration.
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
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