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What is the system that is buffered? What is the pH of the system? What compounds are responsible for the buffered system? What benefit does being at this pH serve? How could this system be shifted? What happens if the pH is shifted 1 pH unit either way (acidic or basic)?
If oxygen gas is collected over water at 60 degree C and 1.10 atm, what is the partial pressure of the O2?
Why is there a general increase in the first ionisation energies of the Period 3 elements Na to Ar. Can someone explain this to me.
What would be the speed of the following particles if they had the same wavelength as a photon of red light (? = 750.0 nm)
the specific heat of silver is 0.24 J/g degree celsius. how many joules of energy are needed to warm 4.37 g of silver from 25 degree celsius to 27.5 degree celsius?
A silver electrode of the first kind was used to measure the Ag+ ion concentration in solution. When the [Ag+] is 1.44 x 10-3 the Ecell is determined to be 0.626. Calculate the temperature (oC) using the Nernst equation.
A 32.85-{g} sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 54.00 mL. The solid and toluene together weigh 58.88 g. The density of tol..
nbspconsidering the given equation where keq 0.016 2hig harr h2g i2gnbspa container contains 0.60 m hydrogen iodide
suppose that a fully charged lead-acid battery contains 1.50 of 5.00. what will be the concentration of in the battery
What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S. 2H2S + SO2---> 2H20 +3S
How many kilograms of CO2 are produced by the complete combustion of 1.00kg of this natural gas
Calculate the hypothetical retention times for caffine and aspartame if their retention factors were reduced by 28.0 %. Assume the mobile phase retention time (tm= 29.7 s) remains constant.
6.48g of NAH2PO4 and 21.96 g of K2HPO4 are dissolved in sufficent water to make a liter of solution. Caluclate the ph of the resulting solution.
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