9- 2d. e. Heat Output = 1.53×105kW. The reactor pressure is low enough to have a negligible effect on enthalpy. C HgO g)9CO (g) +10H O(l) (1)kJ / molC HlO g)9CO (g) +10H O(l) (2)kJ / mol(2)C HlC HgC HC)kJ / molkJ / mol) = 47 kJ / mol9222ro22ro99vo9202020202014617114612412561246171()(±(±( )±(,(+→=−−⇒→−−ΔΔΔHHHDYes. Pure n-nonane can only exist as vapor at 1 atm above 150.6°C, but in a mixture of gases, it can exist as a vapor at lower temperatures. 9.3 9.4 a. b. c. a. b. Exothermic. The reactor will have to be cooled to keep the temperature constant. The temperature would increase under adiabatic conditions. The energy required to break the reactant bonds is less than the energy released when the product bonds are formed. CH gO gCO gHOgCH lHOlBtulb-mole6142ro42robgbg bgb gbg b g+→+===−×19267119221791102226ΔΔΔ±?±±.HHHC HgC HlBtu lb - mole44vCH214ej→=−=−3135503,Btulb-molevHO2b g b g=4189344,12374716721046bg bg bg=++×⇒=++=−×Hess's lawBtu lb - moleΔΔΔΔ±±±±.HHHH²/².mn=⇒=120375lblbM=32.0O2ms - mole / s.
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