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3. Use the ΔΗ"m values for the following reactions: 2 SO: (8) O (8) 2 SO,...
The destruction of the ozone layer by chlorofluorocarbons (CFCs) can be described by the following reactions: 2. ΔΗ"m-:-29.90 kJ AHonn 24.18 kJ CIO (g) + O3 (g)-) CI (g) + 2 O2 (g) 2 O3 (g) 3 02 (g) Use the above ΔΗ'm values to determine the value ΔΗ"m for the following reaction: Cl (g) + Os (g) > CIO (g) + O2 (g) AHoxn Strategy: Solution:
Calculate the standard change in Gibbs free energy of the following reactions at Standard Ambient Temperature and Pressure (SATP where T = 25°C and P = 1 atm) and label them as spontaneous or nonspontaneous. (a) 2 SO2(g) + O2(g) 2 SO3(g): ΔΗ.-197.8 k , dS.-188.0 J/K kJ, and the reaction is Selectv (b) 2 C6H6(/) + 15 O2(g) 12 CO2(g) + 6 H2O(/); ΔΗ.-6535.0 kJ, S.-439.2 J/K kJ, and the reaction is Select (c) C(diamond); C(graphite); ΔΗ--19 ki, as...
(10) 5. Use the given reactions and their enthalpies to determine the AHºrxn for the following reaction: 2 S(x) + 3 O2(g) → 2503(g) Hºrxn - ? Given Reactions and their Standard Enthalpies of Reaction: SO2(g) - S(s) + O2(g) 2 SO2(g) + O2(g) 2 S03(g) AHºrxn = +296.8 kJ Hºrxn = -197.8 kJ (10) 6. Use standard enthalpies of formation (AH°f) to determine AHºrxn for the reaction below. 2 CH3OH(1) + 3 02(g) → 2 CO2(g) + 4H2O(g)
Part A Calculate Δ Han for the following reaction: C(s) +H2O(g)CO(g)+H2() Use the following reactions and given ΔΗ values: C(s) + O2 (g)- CO2 (g), ΔΗ-393.5 kJ 2CO (g) + O2 (g)--2CO2 (g), ΔΗ-566.0 kJ 2H2 (g) +02 (g)-2H3O(g). Ан :-483.6 kJ Express your answer using four significant figures. kJ Submit Request Answer
Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCl(aq) — 2 MCI, (aq) + 3H2(g) AH = -562.0 kJ 2. HCl(g) HCl(aq) AH, = -74.8 kJ 3. H (9) + Cl (8) 2 HCl(g) AH3 = -1845.0 kJ 4. MCI, (s) MCI, (aq) AHA = -343.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + C1, (8) MCI,(s) ΔΗ = kJ
เต Use the References to access important values if needed for this question. Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H2(g)--C4H10(g) ΔΗ。=-125.6 kJ (2) C2H4(8) 2C(s)+ 2H2 AH -52.3 k what is the standard enthalpy change for the reaction: (3) 2C2H4(g) + H2(g)--C41110(g) ΔΗ·"? 1 pr pr 1 pt 1 pt 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining
Given the following enthalpy change values for the reactions below: A + B → 2C ; ΔH =-228.3 kJ mol-1 C +2D E+F AH 493.9 kJ mol -1 E + G → H ; ΔH = 314.3 kJ mor! Calculate ΔΗ for the following reaction (in kJ mol-1) using Hess's Law: A B4D+4G-4H+2F
Given these equilibrium reactions: 1. % Sa(s) + 2O2te) <---------- → 2 SO2 Ka = 1.86 x 10105 2. 1/8 Ses) + 3/2 O2(e) <--------→ SO3(e) ka = 1.77 x 1053 Calculate the equilibrium constant ka for the reaction below, which is important in the formation of acid-rain air pollution. 2 SO2(g) + O2(g) ------ --→2 SO3(g) [SO] Klz- 30g] 7 [0]
7. Calculate the enthalpy of change for the following chemical reaction: CS,(0) + 3 O.(g) CO.(g) + 2 SO.(g) Use the following information: C(s) +0(g) - CO.(g); AH, 393.5 kJ/mol S(s) + O2(g)--S0(g); ΔΗ, ,--296.8 kJ/mol C(s) kJ/mol 296.8 kJ/molCS); 2 S(s) 87.9
please help fill in data table and answer questions. please show all work. thank you! Reaction 2 (Ma Reaction 1 (Mgo) 1. Volume of 1.00 M HCT 2. Final temperature, t 3. Initial temperature, t, EO.O ml 50.0 mt 28 a0 oc 4. Change in temperature, t 5. Mass of solid 203 MgO 6. Heat, q k.J kJ kJ k.I 8. Moles mol Mg mol MgO 9. ΔΗ/mol kJ/mol kJ/mol 10. Determine ΔΗ/mol Mg for reaction (4). (10.) II. Percent...