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Gives what happens at low pH for aluminum hydroxide. A) Al(OH)3 precipitates B) Al precipitates C) Al dissolves D) Al(H2O)63+ dissolves
Consider the voltaic cell , which is based on the following cell reaction. Zn(s) + Cu2+(aq) Zn2+(aq) +Cu(s) Under standard conditions
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
A 50 mL sample of 0.06M HC3H5O2 (propanoic acid) is titrated with 20 mL of 0.07M NaOH. What is the pH at this point of the titration? (Ka of HC3H5O2 = 1.3*10^-5)
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
How many hours will it take to produce 61.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 484 amps?
A certain atom is bombarded with a neutron and changes into Lithium 7. What was that atom? (It is a fission reaction)
The pH would decrease slightly. The pH would decrease dramatically. The pH would increase slightly. The pH would increase dramatically. The pH would not change at all.
a sample containing 3.20 neon gas has a volume of 9.00 . assume that the pressure and the temperature remain constant.
The equilibrium constant for CaCO3 dissolution in water at 25 celsius is 8.7 x 10^-9. Calculate the (G) Gibbs free energy for this process.
a nitrogen fertilizer that is manufactured from ammonia and carbon dioxide. 2 NH3(g) CO2(g) ? NH2CONH2(aq) H2O(l) What volume of ammonia at 45°C and 1.60 atm is needed to produce 908 g (2 lb) of urea?
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