Determine the concentrations of hco3-and h2co3
Determine the pH of 0.25 M K2CO3.Determine the concentrations of HCO3-, and H2CO3 in the solution?H2CO3 is a diprotic acid with the Ka2 = 4.7 x 10-11 and Ka1 = 4.3 x 10-7.
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Illustrate Lewis structures for these two species. Include all resonance forms (include double headed arrow). Nitrogen-fixing bacteria convert urea [H2NC(O)NH2] into the nitrite ions(NO2-).
The space probe is in the orbit of Moon at a distance from its surface of 100km. A mechanic error causes the probe to lose 25 percent of its velocity entering the probe in a decadent orbit. Compute the speed of impact of the probe on the surface o
Calculate the new temperature after the sample is transferred to a new container with a pressure of 1.20atm and a volume of 2.50L? A sample of gas has a volume of 4250mL at 15Celsus and 745 mm Hg.
Diameter of big gear with pedal on it is 10 inches and radius of wheel is 17 inches and radius of gear in wheel is 3 inches, how many revolutions of pedal cyclist needs to make to travel 800 inches?
Find out the maximum depth to which can submerge the submarine. (Suppose that the layer of ice is thin adequate not to apply any pressure on the surface of Europe’s ocean.)
A 0.1743g sample of impure oxalic acid is required and 39.8 mL of 0.08915 M NaOH solution for complete neutralization. Oxalic acid (COOH)2 is used to remove the rust stains and some ink stains from fabrics.
Compute the pressure in the eye of the hurricane when the pressure close to the edge is around one atmosphere.
The discovery of polyatomic organic molecules such as Cyanamid, H2NCN, in interstellar space has led some scientists to believe that the molecules from which life began on Earth may have come from space.
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