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Butanol and Chlorobenzene form a minimum-boiling azeotropic system. The mole fraction of 1-Butanol in the liquid (x) and vapour (y) phases at 1.000 atm is given below for a variety of boiling temperatures.
T (K) x y396.57 0.1065 0.2859393.94 0.17 0.3691391.6 0 0.2646 0.4505390.15 0.3687 0.5138389.03 0.5017 0.584388.66 0.6091 0.6409388.57 0.7171 0.7070
Pure chlorobenzene boils at 404.86 K. (a) Construct the chrolobenzene-rich portion of the phase diagram from the data. (b) Estimate the temperate at which a solution whose mole fraction of 1-butanol is 0.300 begins to boil. (c) State the compositions of the two phases present after a solution initially 0.300 1-butanol is heated to 393.94k.
A maximum of 1.89 mg of AgCl will dissolve in 1.00 L of solution at 25.0 C. A maximum of 5.26 mg of AgCl will dissolve in 1.00 L of solution at 50.0 C. Use this information to calculate standard enthalpy change and standard free energy change for ..
a, The height of Niagra Falls is 51 meters. Calculate the Potential Energy of 1g of water at the top of the falls relative to the ground level. b, What would be the increase in temperature of the water if all Kinetic Energy were converted to heat.
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
Calculate the electron affinity in kJ/mol for X in the hypothetical ionic compound MX from the information given below.
15.00 g of solid ammonium hydrogen sulfide is introduced into a 500.-mL flask at 25°C, the flask is sealed, and the system is allowed to reach equilibrium. What is the partial pressure of ammonia in this flask if Kp = 0.108 at 25°C for
An aqueous solution has a density of 0.80g/mL and is 51.0% C2H6O by mass. Determine the molar concentration of C2H6O.
Consider the autodissociation of water as the behavior of an Arrhenius acid. Use this to explain the temperature dependence of the autoionization of water and use it to explain
A Ni(II) coordination compound with an octahedral arrangement of ligands has been synthesized containing only water and ammonia as ligands and chloride as counterions. From the following data, determine the exact formula of this compound.
How much heat in kilojoules is required to warm 10.0 of ice, initially at -10.0, to steam at 125. The heat capacity of ice is 2.09 and that of steam is 1.84 .
if 69.5 kj of heat is applied to a 1036 g block of metal the temperature of the metal increases by 11.4degc. calculate
what is the theoretical (or calculated) yield of NH4 Al (SO4)2 * 12 H2O formed from 1.872 g of Al(OH)3?Assume all other reagents are in excess
what volume will 5.90 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 159 C and 5.50 atm, respectively
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