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What are the equilibrium concentrations of the dissolved ions in a saturated solution of Al(OH)3 at 25 degrees celcius? (Ksp is (2x10^-32))
The final temperature of the gas, Would it be feasible to make ethanol, C2H5OH, by the following reaction ( under standard conditions and 25 degrees C)
The temperature of a sample of water increases from 21.9°C to 45.3°C as it absorbs 5669 J of heat. What is the mass of the sample.
Explain in detail why these bacteria don't begin to excrete this metabolite before using up the phenylalanine in the medium.
Write the net ionic equation for each of these reactions and demonstrate how two of them add together to yield the third. Using your data and Hess's Law, determine the enthalphy of ionization of HC2H3O2.
Determine the identity of the diatomic gas when a boy places 59.5 gm of a diatomic gas into a ten litres container at 25 degree Celsius (measures the pressure to be 2.053 atm. )
Typical rate of deposit of dust (dustfall) from unpolluted air was reported as 10 tons per square mile per month. Express this dustfall in milligrams per square meter per hour.
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
Calculate the difference in the ionization energies for 1H and 4He atoms. This result allows you to compare the effect on the ionization energy of changing the nuclear charge
The density of H2O2 is 1.463g/ml and the density of O2 is 1.428 g/l. How many liters of O2 will from 55.0mL of H2O2?
the anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% solution (by mass; d= 1.0 g/mL) in water. IF your dentist injects 0.50 mL of the solution, what mass of procaine hydrochlo..
The partial pressures of gas A and gas B, respectively, are 0.379 atm and 0.675 atm. If 0.190 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions that have 5 unpaired spins. which 2 would have it?
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