Numerical value of the equilibrium constant
At 700ºC, Keq = 0.0152 for the following reaction:
2SO2(g) + O2(g) ? 2SO3(g)
What is numerical value of the equilibrium constant for the reverse reaction?
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Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what is the identity and the atomic mass of the other isotope?
Ag(S2O3)2 + 23Ag + 2S2O3 Ag(S2O3)2 32Ag(S2O3)2 AgS2O3 + S2O3 + 2Ag + S2O3 What is unique about the condition of equilibrium in an oxidation/reduction reaction? Which of the following substances is not a common oxidizing agent in chemical analysis?
The critical constants of ethane are Pc = 48.20 atm, Vc = 148 (cm^3)/mol, and Tc = 305.4 K. Calculate the van der Waals parameters of the gas, and estimate the radius of the molecules.
How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen?
Explain how this model can be used to reduce the number of dangling bonds from 49 (unreconstructed) to 19 (constructed). B. Explain the origin of the name dimer adatom stacking fault.
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
Change in heat content We write H = Hfinal - Hinitial or for chemical reactions H = Hproducts - Hreactants Given this equation, What sign is H for exothermic reactions? What sign is H for endothermic reactions?
Using Henry's law, calculate the molar concentration of {rm O_2} in the surface water of a mountain lake saturated with air at 20 ^circ {rm C} and an atmospheric pressure of 645 torr.
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