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"Describe the functions performed by various IT departments (for example, help desk, planning, operations, development, and planning).
5 ml of acetic anhydride and 5 drops of phosphoric acid is added to 2 g of salicylic acid. Calculate the molar excess of the acetic anhydride (density = 1.08 g/ml)
If a 12.00 ml sample of phosphoric acid H3PO4 solution was titrated with a standard solution of 0.1350 M Ca(OH)2. To reach the endpoint 13.40 ml of the Ca(OH)2 solution was used. Explain what is the molar concentration (morality=M) of the phosphor..
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
What is the Haber process (synthesis). Specifically describe the reaction and industrial importance of the product.
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
a stock solution is prepared by adding 15 ml of 2.5 m bacn2 to enough water to make 20 ml. what is the cn-
Describe the biochemical mechanism by which RNA splicing occurs precisely at the exon-intron borders considering that a single nucleotide offset
A titration is performed on 1.3245g of a sample of a diprotic acid that is dissolved in 50 ml of water. if 44.10 ml of .6124 M NaOH is required to reach the end-point, what is the molecular weight of the diprotic acid
Subsequent to the sample has been dissolved in hot water and then cooled explain why would one scratch the sides of the flask?
What is the concentration in mol/L of a solution with 8.52g MgCl2 dissolved in 150.0ml of solution. What is the concentration of Mg2+ and Cl- ions.
estimate the mean ionic activity coefficient for nacl in a solution that is 0.020 molkg naclaq and 0.035 molkg cano32
Calculate the molar concentration of OH - ions in an 1.43 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
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