What is w when the volume of a gas expands from 24.7 L to 29.2 L against a constant external pressure of 801 Torr? Remember to include a "+" or "-" sign as appropriate. Note: 760 Torr = 1 atm = 1.01325 bar = 101.325 kPa Enter your answer in acceptable SI units, accurate to 3 significant figures. Use an acceptable Sl symbol for units. Number Units

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.