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At a certain temperature, Kc = 14.5 for the reaction
CO (g) + 2H2 (g) --> CH3OH (g)
If the equilibrium concentrations of CO and CH3OH are 1.18 M and 1.84 M, respectively, What is the equilibrium concentration of H2?
the henrys law constant for co2 gas in h2o 0.031 moll-atm at the temperature of 25 degree celsius. compute the
You have given some aqueous solutions as a. LiClO4 b. HClO c. CH2CH3OH d. HClO4 e. HNO3 you just need to Classify each of the given aqueous solutions as a weak electrolyte, non electrolyte, or strong electrolyte ?
How many grams of benzoic acid would you add to 30 mL of 0.27M sodium benzoate in order to prepare a buffer solution at pH=4.5? Ka of benzoic acid is 6.3E-5.
A bioengineer preparing cells for a cloning experiment bathes a small piece of rat epithelial tissue in a TRIS buffer, (HOCH2)3CNH2. The buffer is made by dissolving 43.0 g TRIS (pKb = 5.91) in enough 0.095 M HCl to make 1.00 L of solution. What i..
170 mL of an HCl solution with pH of 2.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
how many grams of precipitate are formed when 217 ml of a 0.741 m aluminum sulfate soultion and 338 ml of a 1.51 m
an amino acid binding protein involved in transport of the amino acid across membranes was isolated from e. coli.
a voltaic cell employs the following redox reaction nbspsn2aq mns--gt sns mn2aqcalculate the cell potential at 25
Balance and complete these reactions. Also write reaction type (combination, decomposition, single replacement, double replacement) a. Cu+ HNO3 ---> b.Cu(NO3)2 + NaOH ---> c. Cu(OH)2 (heat)---> d. CuO +H2SO4---> e. Zn + CuSO4 ---> f. Zn + H2SO4 --..
The temperature of the solution in the calorimeter rose from 24.7 degrees celsius to 36.17 degrees celsius. What is the DeltaH per mole for the reaction
The osmotic pressure of a aqueous solution of a given polymer with mass concentration 0.300 g/mL is 10.0 torr at 298 K. Estimate the molar mass of the polymer.
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