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In one experiment, 22 g NH3 was used to react with excessive O2 and produces 30.4 g of water, what is the percentage yield of this experiment?
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 50% when [ligand] = 10-7 M? HINT; Theta = (ligand) / ((ligand) + Kd) where
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10
75.0 mL of a 1.80 M solution is diluted to a volume of 258 mL. A 129-mL portion of that solution is diluted using 187 mL of water.
The solubility of compound A in ethanol is 0.80g per 100.0mL at 0oC and 5.00g per 100.0mL at 78oC. What is the minimum amount of ethanol needed to recrystallize a 12.00g sample of compound A.
Determine which species is present in the lowest concentration in 0.10 M H3A solution?
A 47 kg sample of water absorbs 348 kJ of heat. If the water was initially at 28.7 C what is its final temperature.
Methanol (CH3OH) is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2 (g) (equilibrium) CH3OH(g).
An unknown liquid with a boiling point of 58 C at 670 mmHg is soluble in water, cyclohexane and alcohol, what's the liquid.
Methyl Orange was synthesized using a diazo-coupling reaction. Show how you would synthesize Yellow #3 and Red #32
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution
At 50 degrees Celsius, the vapor pressures for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degrees Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..
When propene is treated with hypochlorous acid (HOCl), the product isolated is 1-chloro-2-propanol.
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