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Compute the bicarbonate and carbonate alkalinities, in mg/L as CaCO3, of the water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
A gas pressure of 2.0 atm is in a closed container. Indicate the changes in its volume when the pressure undergoes the following changes at constant temperature: a) the pressure increases to 6.0 atm. b) the pressure drops to 1.0 atm. c) the pressu..
A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B
Calculate the distance NH3 gas and HCl gas would travel if a 100.0-cm tube were used, based on the accepted molar mass of the two gases
a.0952g sample of an unknown chloride was dissolved in water and treated with excess agno3. the precipitated agcl was
What is the osmotic pressure of a solution made from dissolving 30.0 g of glucose, C6H12O6, in 700 mL of water at 21.0C
a buffer solution is formed by combining 50.0 ml of 0.022 m benzoic acid and 20.0 ml of 0.032 m sodium benzoate
why is sebacic chloride converted to sebacoyl chloride to make nylon polymer. What would the product be if hexanediamine reacted directly with sebacic acid
A sample of iron was heated to 148.0°C, then placed into 368 g of water at 23.6°C. The temperature of the water rose to 27.2°C. How many grams of iron were in the sample
In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH-. HF + NaF + H2O F- + H3O+ + Na+
Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil.
A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL. If the patient undergoing the test needs a dose of 10 millicuries
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