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Unformatted text preview: Δ H° f for PbO ( s ) given the following information: PbO ( s ) + CO ( g ) Æ Pb ( s ) + CO 2 ( g ) Δ H rxn = - 131.4 kJ Question 6 For the following reaction taking place at 104.0 °C, Δ S rxn = – 74.9 J/K and Δ S surroundings = – 335.2 J/K: Cl 2 O ( g ) + 3/2 O 2 ( g ) Æ 2 ClO 2 ( g ) Calculate Δ G rxn at 104.0 °C. Question 7 Determine the equilibrium constant K for a general reaction A + B Æ C + D if the value of Δ H rxn is - 287 kJ and Δ S rxn is + 388 J/K. The stoichiometric coefficients of all species involved in this reaction are one. Question 8 Calculate Δ S rxn and Δ G rxn for the reaction P 4 O 10 ( s ) + H 2 O ( l ) Æ H 3 PO 4 ( aq )...
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- Spring '07
- Chemistry, Chemical reaction, Oxide, Standard enthalpy change of formation, Perchlorate