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1) Consider 2 moles of a onoatomic ideal gas (Cv,m=3R/2) at an initial pressure of 2.0 atm and an initial temperature of 298 K. Assume it expands adiabatically and reversibly until its volume doubles. calculate the expansion ork, the final tmperature of the gas and \DeltaU for the process. What would be the work done if the expansion occurs irreversibly against an external pressure of pext = pf?
2)2 moles of an ideal gas, for which Cv,m = 3R/2, initially at 30.0 C and 1.00 x 10e6 Pa undergoes a two-stae transfrmation. For each of the stages described in the following list, calculate the final pressure, as well as q, w, \DeltaU, and \DeltaH for the complete process.
a)the gas is expanded isothermally and reversibly until the volume triples
b)beginning at the end of the first stage, the temperature is raised to 80.0 C at onstant volume
how does the technique error affect the report percent water in the hydrated salt? Explain lab 5 percent water in a hydrated salt.
If a balloon containing 1,200 L of gas at 25C and 760 mm Hg pressure ascends to an altitude where the pressure is 380 mm Hg and the temperature is 54C, the volume will be.
53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
How should a professional emergency responder be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
A flexible container contains 1.50 L of gas at 25 degrees Celcius. What is the new volume when the container is heated to 100 degrees Celcius?
Determine what percent by weight of sodium carbonate does it contain If the specific gravity of the sodium carbonate solution = 1.25,?
What volume of H2 could be produced at a temperature of 19 oC and a pressure of 764 torr by the reaction of 2.98 g of aluminum with hydrochloric acid.
A vat contains 2.29 M sulfuric acid solution. How many kg of KOH will be required to react completely with (neutralize) 882 L of the solution?
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
A 2L cylinder of gas contains 2.4 moles of gas at 34 degrees Celsius. What is the pressure?
Calculate ?Sºf for oxalic acid and ?Sº for the combustion of one mole of oxalic acid. c) Calculate ?Gºf for oxalic acid and ?Gº for the combustion of one mole of oxalic acid.
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