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A 2.50-L vessel contained 0.0153 mol of phosphorus trichloride, 0.0123 mol of phosphorus pentachloride, and 0.0831 mol of chlorine at 250°C in an equilibrium mixture.
Calculate the value of Kc for the following reaction.
PCl3(g) + Cl2(g)<-->PCl5(g)
An amount of H2O vapor (gas) is condensed isothermally and reversibly to liquid water at 100ºC where it occupied a volume of 838 cm3. The standard enthalpy of vaporization of water at 100ºC is 40.66 kJ mol-1, the density of liquid water at 100ºC i..
The atom then emits two photons: one of wavelength 1282.2 nm to reach an intermediate level and a second to return to the ground state. What was the wavelength of the second photon emitted?
The excess HCL required 43.82 ml of 0.01185M Ba(OH)2 to complete the following reaction. What was the Molarity of the orginal HCL?
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation
A saline solution is prepared by adding 135 g of NaCl to 1500 g of water. What is the molal concentration of NaCl
Iron sulfide, FeS, is a sparingly soluble salt with a Ksp of 6.3 x 10^-18. Calculate the molar solubility of iron sulfide in a solution that is saturated with hydrosulfuric acid, H2S ( [H2S] = 0.1 M) and has a pH of 2.0. Ka1 = 8.9 x 10^-8 and Ka2 ..
1. during the titration several milliliters of deionized water are added to the erlenmeyer flask containing the khp
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
Draw the structure of (1S,3R,4R)-1-tert-butyl-3,4-dimethylcyclohexane in its lowest energy chair-conformation.
the combustion of how many moles of ethane would be required to heat
For the D3h point group draw 3X3 transformation matrix for each of the operations of this point group on a set x,y,z coordinate
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