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What are the concentrations of Cu2+, NH3, and Cu(NO3)4 2+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a .800 M solution of aqueous ammonia? Assume that the reaction goes to completion and forms Cu(NH3)4 2+.
Write an orbital diagram for the ground state of the Calcium atom. Is this atomic substance diamagnetic or paramagnetic
Calculate individual concentrations in an unknown mixture. Calculate the individual concentrations of C and of D in the following unknown mixture: Compound C: Absorbance at 365nm = 0.150 Absorbance at 470nm = 0.642 Concentration = 1.00 X 10^-4 Com..
calculate the amount of heat requred to raise the temperature of 100.00 g of Mercury at 0.0000 c to 2.0000 c. repeat for 99.000 c to 101.000 c
At 46 C a sample of ammonia gas exerts a pressure of 4.27 atm. what is the pressure when the volume of the gas is reduced to one-fourth of the original value at the same temperature
Ethylene glycol,C2H4(OH)2, is a colorless liquid used as automobile antifreeze. If the density at 20 degree Celcius of a 4.028m solution of ethylene glycol in water is 1.0241g/mL, What is the molarity of the solution
The volume of a gas at 95.0 kPa is 300.0 mL. If the pressure is increased to 177 kPa, what will be the new volume?
The distribution coefficient, K= conc. in ligroin/conc. in water, between ligroin and water for solute A is 7.5. what weight of A would be removed from a solution of 10g of A in 100 mL of water.
A bottle containing 305 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
In one experiment, the mass of water is 93.0 grams, the initial temperature of the water is 67.2oC, the mass of liquid nitrogen added to the water is 57.8 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 3..
A 12-liter tank contains helium gas pressurized to 160atm . What size tank would be needed to contain this same amount of helium at atmospheric pressure (1atm )?
when a current of 0.156A is passed through a solution of lead(II) nitrate, lead is deposited at the cathode. How long will it take to deposit 0.10g of lead?
Show the stereochemistry of the products you would expect when (2S,3S)-2,3-epoxypentane undergoes acid catalyzed hydrolosis.
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