PLEASE ANSWER!
A chamber with a fixed volume is shown above. The temperature of the gas inside the chamber before heating is 25.2 C and it’s pressure is 0.600 atm. The gas is heated with a flame to a temperature of 72.4 C, what is it’s pressure at this temperature

0.7atm

Explanation:

Given parameters:

Initial temperature = 25.2°C  in Kelvin;  25.2 + 273  = 298.2K

Initial pressure  = 0.6atm

Final temperature  = 72.4°C in kelvin  = 72.4 + 273  = 345.4K

Unknown:

Final pressure  = ?

Solution:

Since we are dealing with pressure temperature relationships under a fixed volume, we use a simplification of the combined gas law to solve this problem.

 At fixed volume;

  where P and T are temperature values

              1 and 2 are the initial and final states

Input the parameters and solve for P₂

            P₂   = 0.7atm

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