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Combined Gas Law:

 P₂ V₂         P₁ V₁
---------  =  -----------
   T₂               T₁

Derived the equation for P₂:

P₂  (V₂)    (T₂)        (P₁ V₁)  (T₂)
     ------    -----   =   ---------   ----- 
      (T₂)    (V₂)           (T₁)    (V₂)

Equation for P₂:

P₂ =  P₁ V₁ T₂
            T₂ V₂

P₂ = 2.9 atm

Please click image below to view solution and conversion to proper units.