An ideal gas of mass 4.5 g and molar mass of 17 g.mole-1 occupies 12.7 L at 310 K. Answer the following questions based on the conditions presented. (i) Calculate the work done under a constant external pressure of 30 kPa until the volume of gas has increased by 3.3 L.                                                                        (ii) Calculate the work done in an isothermal and reversible expansion process resulting in a final volume of 16L.      (iii)  If the gas has a molar heat capacity of 30.8 J.mol-1.K-1 and is subjected to a constant volume process until it reaches a temperature of 350K, calculate the heat transfer in kJ.mol-1 of the gas.

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An ideal gas of mass 4.5 g and molar mass of 17 g.mole-1 occupies 12.7 L at 310 K. Answer the following questions based on the conditions presented.

(i) Calculate the work done under a constant external pressure of 30 kPa until the volume of gas has increased by 3.3 L.                                                                       

(ii) Calculate the work done in an isothermal and reversible expansion process resulting in a final volume of 16L.     

(iii)  If the gas has a molar heat capacity of 30.8 J.mol-1.K-1 and is subjected to a constant volume process until it reaches a temperature of 350K, calculate the heat transfer in kJ.mol-1 of the gas.                                                            

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