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Determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 mL rises to 274 mL after a piece of Pb is submerged?
A sample of36.0-mg an organic compound (MW = 84g/mol) is mixed in water of 10.0-mL . solution is extracted with five mili litres of hexane. it now contains 12.0 milligrams of the organic compound. Determine the partition coefficient (Kp hexane/water) for the compound?
Determine What is the ? Ssys for the process?(if it is given the specific heat capacity for ethanol is 2.42 J/g K.) express your answer in units of J/K
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
What is the cell potential at each of the given volumes as a. 5.00 mL,b. 12.00 mL,c. V equilvalence pointd. 48.00 mL of added Ce4+?
Determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution of ammonium nitrate at 75 °C is cooled to fifteen degree Celsius?
What volume of Maker's Mark was consumed if the individual was drinking Maker's Mark (130 proof),?
Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
What is the pH of the solution when the hydronium ion + concentration of 0.15 M CH3COOH is 6.3 × 10.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
Write and balance the given chemical equation and Write a balanced equation for this reaction
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