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For 500 mL of phosphate buffer with 0.5 M of H3PO4 and 0.3 M NaH2PO4 calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed to bring buffer pH one unit up?
Strontium carbonate decomposes upon heating to strontium oxide and carbon dioxide. Calculate the number of g of carbon dioxide produced by heating 10.7 g of strontium.
In what order would the amino acids arginine, leucine, and lysine be eluted from a Dowex-1 column at pH 10.5? (b) In what order would glutamic acid
Suppose sulfur dioxide reacts with oxygen at 25 degrees Celsius. 2SO2 (g) + O2 (g) ->
What are some of the considerations for the optimal chain length in glycogen? a) Optimal chain length is a compromise between number of available ends, and the need for debranching enzyme
Calculate the bond order for one carbon-carbon bond in benzene molecule, taking a and pi bonds
Write a balanced chemical equation for the decomposition of limestone, CaCO3, to quicklime, CaO, and carbon dioxide.
adding sodium hydroxyde in the purification of a solid by recrystallization experiment?
identify the absorptions associated witht he carbonyl group and with the aromatic rings
How many moles of steam are produced at 2.00 atm and 202.0 degrees celcius by the complete combustion of 12.50 L of methane gas?
An experiment requires 43.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
For oxygen difluoride, OF 2 give the following information: a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
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