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Given the following equations and AH°: AH° (kJ/mol) -188 kJ Equation H2 + O2-H202 H2+1/202-H20 CS2...
Given the following equations and AHº: Equation AH° (kJ/mol) -188 KJ H2 + O2 + H202 H2+1/202-H20 CS2+302 CO2 + 2 SO2 -286 kJ -1077 kJ Calculate the value of AH° for this reaction: CS2 + 6H2O2 CO2 + 6H2O +2 SO2 0 -1551 kJ 0-1175 kJ $ 0 -3921 kJ -1665 kJ
Calculate the standard enthalpy of formation of CS2() given that AH=-393.5 kJ/mol AHo = -296.4 kj/mol a. C(s) + O2(g) CO2lg) b. S(s) +O2(g). SO2(g) AH = -1073.6 kj/mol C. CS2(I)+302(g) Co2lg) + 2S02(B)
Hess's Law Given the following data: C2H2(g) + 5/202(9) + 2002/9) + H20(1) AH' = -1300.0 kJ CO2(g) + C(s) + O2(g) AH° = 393.5 kJ 2C(s) + H2(g) C2H2(g) AH° = 227.0 kJ Calculate AH for the reaction H2(g) + 1/202(9) — H20(1) Submit Answer Tries 0/5
Given the following equations and AH' values: C(s) + O2(g) + CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) - H20 (1) AH = -285.8 kJ 2C2H2 (8) + 5O2(g) + 4CO2(g) + 2H20 (1) AH'= -2598 kJ Determine the heat of reaction (in kJ) at 298 K for the reaction: 2C(s) + H2(8) C2H2 (8) 0-136.8 0-219.8 0-109.9 O-167.1 +226.2
Using Hess's Law, determine the enthalpy change of the following reaction. CS2(1) + 3 O2(g) --> CO2(g) + 2 SO2(g) C(s) + O2(g) --> CO2(g) AH = -393.5 kJ/mol S(s) + O2(g) --> SO2(g) AH = -296.8 kJ/mol C(s) + 25(s) --> CS2(8) AH = +87.9 kJ/mol -899.2 kJ O-778.2 kJ -602.4 kJ - 1075.0 kJ
7- (15 pts) Calculate the standard enthalpy of formation of CS2 (1) given that a. C(s) + O2(g) + CO2(g) b. S(s) + O2(g) → SO2(e) C. CS2() + 302(g) → CO2(g) + ' 250 (6) AH° = -393.5 kJ/mol AH° = -296.4 kJ/mol AH° = -1073.6 kj/mol (the standard state of the element Sulfur is S(s))
6. Given H2(g) + 22 O2(g) → H2O(1), AH° = -286 kJ/mol, Determine the standard enthalpy change for the reaction 2H2O(l) → 2H2(g) + O2(g) (2 pt)
Calculate the value of AHº for the reaction 2 H2O2 (1) + 2 H20 (1) + O2 (9) given the following thermochemical equations: H2(g) + 1/2O2(g) → H2O (1) AH° = -286 kJ H2(g) + O2(g) → H2O2 (1) AH° = - 188 kJ - 196 kJ - 474 kJ + 196 kJ 98 kJ
Calculate the value of AH° for the reaction 2 C2H2 () + 502 () 4002) + 2 H20 (1) given the following thermochemical equations: AH° = - 242 kJ AH° = - 394 kJ H2(g) + 4202) → H20 (8) C(s) + O2(%) + CO2(8) 2 C(s) + H2(g) → C2H2 (6) H20 () → H30Ⓡ AH° = +227 kJ AH° = +44 kJ TO - 907 kJ 0 - 2602 kJ 0 - 2514 kJ - 1694 kJ
Hydrogen peroxide (H202) decomposes according to the equation H2020) — H20(1) +202/9). Calculate Kp for this reaction at 25°C. (AH* = -98.2 kJ/mol, ASⓇ = 701 J/K mol) Multiple Choice 20.9 86% 104 3.46 1017 O 13-10-21 75 x 1020