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When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction, leading to values of ?S = 107 J/mol K and ?H = 232 kJ/mol. Comment on the signs (both positive) for these quantities. c. There are two possible structures for the species P6. What would they be? (Remember you need to satisfy the bonding requirements of phosphorous)
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base.
The Ka of a monoprotic weak acid is 5.81 × 10-3. What is the percent ionization of a 0.147 M solution of this acid?
What is the percent-yield of H2 in the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
a solid,is thought to be either zinc or lead(2)nitrate.how are we going to determine the identity of the solid?
Activity of a cation (M+) is 0.0487 mol/liter. Calculate the concentration of the cation if y=0.84. Show work.
Consider the reaction of Al and Al+3 and Mg and Mg+2. If the Al+3 is 0.005 M and the Mg+2 is .40 M what is the potential energy. What is the Keq. What is the Gribbs Free Energy
The standard enthalpy of formation of gaseous H2O at 298 K is -241.82 kJ mol-1. Estimate its value at 75 °C given the following values of the molar heat capacities at constant pressure:
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram
A solution contains Ba2+ (1.0x10^-3) and Ca2+ (1.0x10^-3). Drops of a 5.0x10^-1 M solution NaF were added using a buret until the [F-] in the solution mixture reached 1.5x10^-3 M.
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