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If the solubility of phthalic acid in nearly boiling water is 180 g/L, how much water is required to recrystallize 2.0 g of phthalic acid?
Given that the N triple bond energy in N2 gas is 941 KJ/mol and that the O double bond in O2 gas is 494 kJ per mole, calculate the no bond energy in No and ONO
if you are performing both an atmospheric distillation and a vacuum distillation in the same experiment: a. The atmospheric distillation is done first.
being used as a membrane to purify nitrogen. if the flux of nitrogen through the member is 8.2*10^-7 kg/m^2-s, what is the production rate of nitrogen in g/h?
A 0.100M (as prepared) solution of dichloroacetic acid has an observed [H30+]= .043 M. What are the equilibrium concentrations and the value of the equilibrium constant for the reaction shown?
Research and write about the history of Haber Process of producing ammonia. How did it address the Malthusian Threat? What was the Haber-Nernst Controversy (be sure to use Le Chatelier's Principle in the explanation)? How did Bosch ultimately come..
Explain why acetone in the cyclohexane would invalidate the experiment?
A urine sample was found to have a pH of 5.83. What would be the ratio of the unprotonated form, A, to the protonated form, HA, for uric acid in this urine sample?
What mass of grams of KNO3 will crystallize out of solution if exactly 475.0 g of its saturated solution at 75 celsius is cooled to 25 celsius?
A 1.95 gram sample of sodium sulfate hydrate lost 0.756 gram of water when heated to constant mass. What is the formula of the hydrate?
How many grams of ammonia can be produced ? How much of the excess reactant is left over?
Identify the reagents for all three steps. Draw the structures of organic compounds A and B.
calculate the standard enthalpy of reaction C6H6 (I) +3H2 (g)® C6H12 (I) from standard enthalpies of combustion of substances.
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