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Given the following equations and AHº: Equation AH° (kJ/mol) -188 KJ H2 + O2 + H202...
Given the following equations and AH°: AH° (kJ/mol) -188 kJ Equation 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 + 6H20 +2 SO2 0 -1551kJ 0-1665 kJ 0 -3921 kJ -1175 kJ
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 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)
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
Use the values of AH to calculate AHº for the following reactions. CO2(9) Substance and State AH (kJ/mol) C2H5OH(1) -278 02 (9) -393.5 H2O(9) -242 H2O(1) -286 TiC14(9) -736 TiO2 (s) -945 H+ (aq) ci- (aq) -167 MgO(s) -602 Mg(OH)2(s) -925 + ) — (8) + (8) a. Hoc AH° = DK b. TiCl4(g) + 2H2O(l) + TiO2 (s) + 4HCl(aq) AH° = C kJ c. MgO(s) + H2O(l) + Mg(OH)2(s) AH° = C kJ
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)
From the following data, C(graphite) + O2(g) → CO2(g) AHrxn = -393.5 kJ/mol H2(g) + O2(g) → H200) AH"rxn = -285.8 kJ/mol 2C2H6(g) + 702(g) -> 4CO2(g) + 6H2O(l) Arxn=-3119.6 kJ/mol Calculate the enthalpy change for the reaction: 2 C(graphite) + 3H2(g) + C2H668)
Question 8 Calculate AH (in kJ) for the combustion of acetaldehyde, 2CH3CHO (g) +502 (g) + 4CO2 (g) + 4H20 (1) given the following thermochemical equations: CH3CHO (g) + H2 (g) – CH3CH2OH (g) AH= -- 17 kJ (1) O2 (g) + H2 (g) - H20 (1) AH = 286 kJ (2) CH3CH2OH (g) + 302 (g) - →2CO2 (g) + 3H20 (1) AH = - 1368 kJ (3) -2198 1099 e +1368 1671 -3342
b) - 227 kJ/mol c) + 251 kJ/mol d) - 251 kJ/mol Given the thermochemical equations below, calculate AH for this reaction: Given: C(s) + H2O(g) → CO(g) + H2(g) AH = ? C(s) + O2(g) + CO2(g) AH = -394 kJ 2002(g) + 2CO(g) + O2(g) AH = +566 kJ AH = -484 kJ 2H2(g) + O2(g) + 2H20(g) a) + 414 kJ b) - 353 kJ c) + 131 kJ d) - 312 kJ Vext page →
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17. The value of AH° for the reaction below is -790 kJ/mol. What is the enthalpy change accompanying when 0.95 g of S is completely reacted? 2S (s)302 (g) -2SO3 (g) 18. What is the enthalpy of the following reaction: 4 HCI(g) + O2(g) Given the following thermochemical equations: H2(g)+Cla(g)-2 HCI(g) 2 H2(s)O2(g)- 2 H20(g) 2 Cl2 +2 H2O (g)? AH -185 kJ AH-483.7 kJ