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A quantity of liquid Methanol, (CH3OH), is introduced into a rigid 3.00 L vessel, the vessel is sealed, and the temperature is raised to 500 degrees K. At this temperature, the Methanol vaporizes and decomposes according to the reaction:CH3OH(g)-->CO(g) + 2H2(g), Kc = 6.90 x 10^2If the concentration of Hydrogen gas (H2) in the equilibrium mixture is 0.426 M, what mass of Methanol was initially introduced into the vessel?
suppose you had a sample containing 75.0nbsp by weight potassium chlorate and 25.0 inert non-volatile material.nbsp
If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
How much silver iodide, AgI, in grams will dissolve in 1200 ml of pure H2O at 25 degrees Celcius when the system reaches equilibrium
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
consider the electrolysis of molten barium chloride bacl2. a write the balanced half-reaction that occurs at the
10-At 900K the following reaction has Kp = 0.345. In an equilibrium mixture the partial pressures of SO2 and O2 are 0.210 atm and 0.770 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture
a 53 g sample of impure kclo3 solubility 7.1 g per 100 g h2o at 20 degrees c is contaminated with 13 percent of kcl
The student found that 8.67mL of NaOH solution was needed to titrate a 0.0544g sample of the acid to the equivalence point. Calculate the mass of unknown required for a 30.0mL titration.
What is the lead (II) ion concentration in a solution prepared by mixing 397 mL of 0.416 M lead (II) nitrate with 457 mL of 0.284 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10-8
In which of the following complexes are geometric isomers possible, [Co(H2O)4Cl2]+, [Co(NH3)3F3], [Pt(NH3)Br3]-, [Co(en)2(NH3)Cl]2+, if isomers are possible draw their structures and label them as cis or trans
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
a certain balloon will pop if it expands to a volume greater than 16.0l. the balloon is currently filled with air at a
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