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What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
The volume of a syringe is 0.5 mL and the pressure is 3 atm, when the plunger is at the bottom of the syringe. The syringe is then sealed and forced to the 10 mL mark. What is the pressure inside of the syringe?
Assign absolute configurations to the chiral carbons n one of your Fischer projections. Indicate which of the compounds you have drawn would be optically active. Explain your reasoning.
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
the simplest cycloalkyne has how many carbons? What is the Isoelectric point for aspartic acid. (Amino Acid PI)
At 4.00 rm L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.96 mol of oxygen gas in the vessel.
Calculate the equilibrium concentration of each substance in the reaction. b.) Calculate the equilibrium constant for the reaction.
Decane has 4.5 min retention time on HP-1 column (25 m length, 0.25 mm I.D., 0.33 mkm film thickness) at 120C. Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120C. Explain.
The precipitate was filtered, dried, and weighed. A total of 2.10 g calcium fluoride was collected. What was the percentage of CsF in the original sample?
The total volume of seawater is 1.5X10^21 L. Assume that seawater contains 3.1 percent sodium chloride by mass that its density 1s 1.03 g/mL. Calculate the total mass of sodium chloride.
How many grams of sulfur (S) are needed to react completely with 369 g of mercury (Hg) to form HgS?
Calculate the 1)mls of 100mM of NaOH or HCl 2) grams of disodium phosphate 3) and the mls of water required to make a 200mM phosphate buffer at pH 6.85
determine the pressure in a 125-L tank containing 56.2 kg of oxygen gas at 21.0 oC
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