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(a) Calculate the work done (in Joules) when 1 mole of ideal gas at 2 bar pressure and 300 K is expanded isothermally to a pressure of 1.5 bar, with the external pressure held constant at 1.5 bar.(b) Calculate the work done if the same gas is expanded isothermally and reversibly to the same final volume.
Calculate the heat energy released when 19.6 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
standard molar entropies, S^o, in J/Kmol, are given below each reactant and product in the reaction shown below. The standard entropy of reaction, deltaS^o, for this reaction is _________J/K. S(s,rhombic)+O2(g)----SO2(g) 31.8, 205.0, 248.1 respect..
A sample of hydrogen gas at a pressure of 1.07 atm and a temperature of 296oC, occupies a volume of 682 mL. If the gas is cooled at constant pressure until its volume is 572 mL, the temperature of the gas sample will be
Calculate the amount of N2 gas released (in liters at 37oC and 1 atm) when the diver returns to the surface of the water, where the partial pressure of N2 is 0.80 atm.
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
Calculate the volume occupied by 15.4 g of carbon dioxide at STP, assuming ideal gas behavior.
It is desired to produce an iron-carbon allow that has a minimum hardness of 200 HB and a minimum ductility of 35% RA. Is such an ally possible? If so what its composition and microstructure? If this is not possible explain why.
Trehalose is the major sugar in the hemolymph (blood) of many insects. Insects have open circulatory systems that bathe the tissues of the animal.
iron ore is produced through the following reaction in a blast furnace ironiii oxide carbon monoxide --gt iron carbon
Mass Absorbance Recrystallized sample .3040 g .070 concentration of salicyclic acid in the recrystallized aspirin sample solution =.000044 M
A solution contains 3.60 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6). What is the mole fraction of water in this solution?
Which of the following is true about the photoelectric effect. a) The number of electrons emitted increases with intensity of light, regardless of the frequency. b) The number of electrons emitted increases with the intensity of light
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