GasesAvogadro's Law and Molar Mass41Choose the best answerEqual 1 L samples of O₂, H₂, Cl₂ and H₂O vapour are compared at the same temperature and pressure. Which has the greatest mass?AO₂BH₂CCl₂DH₂O vapour Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Gases#Ideal Gas Equation42Choose the best answerCalculate the work done when 1 mole of an ideal gas expands from 15 dm³ to 20 dm³ against a constant external pressure of 2 atmospheres. (KMU MDCAT 2024)A−10 atm·dm³B−5 atm·dm³C5 atm·dm³D10 atm·dm³ Like 0 Discuss 1Share
GasesPlasma State43Choose the best answerPlasma consists mainly of:ANeutral atoms onlyBIonized particles and free electronsCMolecules fixed in positionDSolid particles only Like 1 Discuss 0Share
GasesBoyle's Law44Choose the best answerA gas occupies 10 dm³ at 1.5 atm. If pressure is increased to 3.0 atm at constant temperature, its new volume is:A5 dm³B7.5 dm³C20 dm³D10 dm³ Like 0 Discuss 0Share
GasesBoyle's Law and Isothermal Process45Choose the best answerAn ideal gas expands according to PV = constant. What happens to its temperature?AIt increasesBIt decreasesCIt remains constantDIt becomes zero Like 0 Discuss 0Share