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ECAT - Practice Test - Chemistry - States of Matter Quiz

Attempt 10 MCQs on ECAT - Practice Test - Chemistry - States of Matter | Quiz 5

41. How can you find molar mass of a gas?



42. What is the density of a gas from the ideal gas equation?



43. When do real gases behave ideally?



44. What is the compressibility factor of an ideal gas?



45. What is effusion?



46. A gas mixture (total 5 atm) has O₂ at 2 atm. What is P_N₂?



47. A gas at 2 L and 25°C is heated to 50°C at constant pressure. What is new volume?



48. A gas (0.56 g) occupies 0.25 L at 27°C and 1 atm. Find molar mass.



49. Using van der Waals, calculate P for 0.5 mol CO₂ in 1 L at 300 K. (a=3.59, b=0.0427)



50. A gas has density 1.5 g/L at 25°C and 1 atm. Find molar mass.



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