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In the reaction, PCl3 + Cl2 ------> PCl5 the concentration of the reactants at equilibrium were each determined to be 7.2 mol/L, and the product at 0.050 mol/L.
Calculate the equilibrium constant (rounding to 2 significant figures and using scientific notation), and state in which direction the equilibrium lies.
Question- Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.81. Kb=1.80x10^-9. Answer in units of mol/L.
Question- Is the reaction of hydrogen and chlorine to give hydrogen chloride gas predicted to be spontaneous under standard conditions at 25 degrees C
0.100 moles of NaOH are combined with 0.125 moles acetic acid. The mixture is taken to a final volume of 100.0 ml. What is the expected pH of the solution. Ka = 1.76 x 10^-5
During a titration, the following data were collected. A 25 mL portion of a solution of an unknown monoprotic acid was titrated with 1.0 M NaOH(aq).
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction (delta Gf values: H2CO3= - 616.1, H2O= - 237.1, CO2= - 394.4) .
so3 can be produced in the following two-step processfes2 o2 ---gt fe2o3 so2 s02 o2 ----gt so3assuming that all the
A 75.0-mL volume of 0.200 NH3 is titrated with 0.500 M HNO3 . Calculate the pH after the addition of 19.0 mL of HNO3
Which of the following are exothermic and endothermic?
If HCl concentration is reduced by 50% and the rate is reduced by 25% what is the reaction order? This is assuming the other reactant is at a constant concentration.
1.2 kg of liquid water initially at 15 degrees clecius is to be heated to 95 degrees celcius in a teapot equipped with
Suppose that 1.02 of rubbing alcohol evaporates from a 75.0 aluminum block. If the aluminum block is initially at 25C, what is the final temperature of the block after the evaporation of the alcohol?
Question- In a kinetic reaction of a food colorant with sodium hypochlorite why are the dyes colored. And why does the color disappear when a dye reacts with sodium hypochlorite
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