An empty 4.99 L steel vessel if filled with 1.17 atm of CHa(g) and 6.62 atm of O2(g) at 347 °C. A spark causes the CH4 to burn completely forming gaseous CO2 and H20. What is the final temperature in °C inside the vessel after combustion, assuming that the steel vessel has a mass of 16.1 kg, the mixture of gases has an average molar heat capacity of 22.5 J/mol-K, and the heat capacity of steel is 0.408 J/g-K? Chemical AH' in kJ/mol CH4(8) CO2{g) H20(I) H2O(g) |-74.87 |-393.5 -285.826 |-241.826 Record your answer with two decimals

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alculate the change in the enthalpy of3.5 moles of Kryptonite (KyO7) in gas phase whenit is heated from 50°Cto 120°CatP= 3.7 atm.The associated molar heat capacity at constantpressure satisfies̄Cp=a0+b1T. The value ofthe coefficients are:a0= 25.503 J K−1mol−1,b1= 13.612×10−3J K−2mol−1