5. Cylinder A has a movable piston and contains hydrogen gas. An identical cylinder, B, contains methane gas. The diagram below represents these cylinders and the conditions of pressure, volur and temperature of the gas in each cylinder. Cylinder A Cylinder B Hydrogen gas P= 1.2 atm V = 1.25 L T= 293 K Methane gas P= 1.2 atm V= 1.25 L T= 293 K Which of the following changes in temperature and pressure will cause the gas in cylinder A to behave more like an ideal gas? A. Increase the temperature above 293 K and decrease the pressure below 1.2 atm B. Decrease the temperature below 293 K and decrease the pressure below 1.2 atm C. Increase the temperature above 293 K and increase the pressure above 1.2 atm D. Decrease the temperature below 293 K and increase the pressure above 1.2 atm

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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.