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A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the cylinder is 771 torr, what is the pressure that is due to the helium?
Find free energy, entropy, enthalpy and volume of mixing for formation of 1.00 L of air from O2 and N2 at 298 K and 1 bar.
A balloon has a volume of 3.00 liters and a temperature of 56.0 celcius.if the volume increases to 7.00 liters, what is the new temperature in celcius?
Calculate deltaG for this reaction at 298K in kJ. What can be said about the spontaneity of the reaction at 298K? (1) spontaneous in the reverse direction
Calculate the partial pressure of propane in a mixture that contains equal masses of propane (C3H8) and butane (C4H10) at 20.0 °C and 738 mm Hg.
Diprotic Acids and Solution Equlibria, A 1.200 M solution of HCl is added to a solution containing 0.150 moles of sodium phosphate (Na3PO4). The resulting solution is then diluted to exactly 0.500 L
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
Calculate the pH at the equivalence point in titrating 0.100 M solution of sodium hydrogen chromate (NaHCrO_4 )with .080 M NaOH.
Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions. Au3+(aq) + 3Ag(s) -----> Au(s) + 3Ag+(aq)c
Dehydration of 2-methylcyclohexanol gives small amounts of 1-ethyl-cyclopentene. Write a mechanism to account for this product.
a mass of 48.5 g of a certain substanse can be disolved in 29.1 cm3 of water at 20 degrees celcius. Calculate the solubility of this substance per gram of water at the same temperature.
adiabatic bomb calorimeter with a heat capacity of 5.343 kj/K. The reaction resulted in an increase of 1.173K. Calculate delta U, delta H, and delta A
An iron (II) complex of the formula FeL5 2+ might have either square pyramidal or trigonal bipyramidal geometry. Would it be possible to differentiate between these geometries on the basis of a magnetic susceptibility? How would the number of unpa..
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