Answer to Question #133172 in General Chemistry for mike

Question

A sample of compressed oxygen has a volume of 50L and a pressure of 140atm at 25oC. The cylinder is cooled until the pressure is 10atm. What is the new temperature in the cylinder?

Answer 1

Question # 133172

A sample of compressed oxygen has a volume of 50L and a pressure of 140atm at 25^oC. The cylinder is cooled until the pressure is 10atm. What is the new temperature in the cylinder?

Answer

P₁V₁/T₁ =P₂V₂/T₂

P₁= initial pressure, V₁= initial volume, T₁= initial temperature in kelvins

P₂= final pressure, V₂= final volume, T₂= final temperature in kelvins

P₁V₁/T₁ =P₂V₂/T₂

(140atm×50L)/323K= (10atm×50L)/ T₂

T₂ = (323K×10atm×50L) ÷ (140atm×50L)

               = 23.07 K