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Problem- The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g•mL-1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 513-mm column of di-n-butyl phthalate. The density of mercury is 13.53 g•mL-1.
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Calculate the percent mass per volume for isotonic solutions containing each of the following solutes at 25 degrees Celsius. Assume a van't Hoff factor of 1.9 for all ionic solutes.
A solution contains 1.0 x 10^-5 M Na3PO4. What is the minimum concentration of AgNO3 that would cause precipitation of solid Ag3PO4 (Ksp= 1.8 x 10^-18)
Calculate the concentrations of species in solution and the pH when 0.1 moles of FeSO4 are placed in 1 L H2O at T=25 deg C. Consider hydrolysis and assume ideal solution. The pK of FeSO4 is 10^-2.65.
Given a buret filled with 0.12M acetic acid and a second buret filled with 0.15M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.0mL of a solution with a pH of 4.73
4 Fe(s) + 3 O2(g) → 2 Fe2O3(s). If 12.5 g of iron(III) oxide (rust) are produced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
The compound dichlororodifluoromethane (CCl2F2) has a normal boiling point of -30C a critical temperature of 112C as well as a corresponding critical temperature of 40 atm. Explain if the gas is compressed to 18atm at 20C will the gas condense? Wh..
In the titrating vinegar expirment briefly explain if the following errors would result in high or low expermental determination of the molar concentration of ch3cooh
Construct a Molecular Orbital Diagram showing the various energy levels for an Octahedral Transition Metal Complex (?-bonding only case!). Label (i) all initial metal orbitals
consider the titration of 50.0 ml of a 0.100 m solution of the protonated form of alinine h2a ka1 4.6 x 10-3 ka2 2.0
Given a standard Gibbs-free energy of 45.5 kJ/mol, what is the value of its equilibrium constant. Suppose a reaction has a standard Gibbs-free energy of -2.54 kJ/mol, calculate the relative ratio of product to reactant.product : reactant
Assume that a particular reaction evolves 224kj of heat and that 24kj of work is gained by the system. what are values of delta E and delta H for the system
A 530. g piece of copper tubing is heated to 89.5°C and placed in an insulated vessel containing 159 g of water at 22.8°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K
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