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A compounds H NMR spectrum shows a resonance at 5.47 and 3.49 ppm. What possible structural subunit does the compound contain
Calculate the amount of n2 gas released(in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm
If delta H for the reaction is -851.5 kJ/mol at 25'C, calculate the standard free energy change, delta G for the reaction at 25'C. Calculate the temperature at which the reaction changes from spontaneous to non-spontaneous.
calculate the pOH and the pH when 45.0mL of 3.00mol/L potassium hydroxide solution is diluted by adding 100.0mL of water
What is the theoretical amount of water (MW 18.02 g/mol), in grams, that could form when 26.67 grams of aluminum oxide (MW 101.96 g/mol) reacts with excess hydrogen gas
if you have 330 ml of water at 25.00 and add 120ml of water at 95 C what is the final temperature of the mixture
Calculate the equilibrium partial pressures of all species when CO and Cl2, each at an intitial partial pressure of 1.53 atm, are introduced into an evacuated vessel at 600 K.
A benzene-toulene solution with a mol fraction for benzene of 0.300 has a normal boiling point of 98.6 degrees Celsius. The vapor pressure of pure toulene at 98.6 degrees Celsius
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask.
The Ksp of CuI is 1.1X10^-12. Find Ecell for the cell: Cu(s)|I^-(aq)(1.0M)||Cu^+(aq)(1.0)M|Cu(s)
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
Calculate the volume of 6 M HCl needed to neutralize 30 mL of 10% NaHCO3 (g/mL). Hint: determine the molality of the 10% NaHCO3 solution.
After 48 h the pressure in the flask was observed to be constant at 488.0 torr. a. Calculate the equilibrium pressure of H2(g). b. Calculate Kp for this reaction.
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