(1) Calculate AH for the reaction: 2 CO2) + 3H2O C2H6O+302g) Given the following chemical equations and their respective enthalpy changes: 2 C2H6O + O28) 2 C2H4O +2 H2O AH=-508.7 kJ C2H4O+ 2%026®) →2 CO2() + 2 H2O AH=-1,458.7 kJ %3D

From the change in internal energy, AE, given for 40 °C, calculate the change in enthalpy, AH, at the same temperature for the reaction: N202 (g) → N2 (g) + O2 (g) AE = -151.3 kJ O -153.2 kJ -153.8 kJ O -155.2 kJ O -148.7 kJ O -151.3 kJ A Moving to another question will save this response. MacBook Air 吕口 F3 F4 F5 F6 # $4 3. 4 6.

Use Hess’s law to calculate the enthalpy change for the reaction WO3(s) + 3H2(g) —> W(s) +3H2O(g) from the following data: 2W(s) + 3O2(g) —> 2 WO3(s) H=-1685.4 2H2(g) + O2(g) —> 2H2O(g) H=-477.84

1. The enthalpy changes of the following reactions Can be measured: Co H. (g) + 7/2 Q₂ (g) → 2 CO₂ (g) + 3 H ₂ O ( ) соно A₁ H° = - 1428.7 KJ/mol-rxn f C₂ H ₂ OH (g) + 3 Q₂ (g) →) 2 CO₂ (g) + 3 H ₂ O (g) Arto= ° = -1277 kJ/mol-rxn a Use these values and Hess's law to determine the for the reaction. ½/2 C ₂ H 6 (g) + ½z O₂ (g) → C₂ H₂ OH (g) en On thalpy chang ks/mol-cox Enthalpy Change = 000 20 * LANCEEL

Given the following two reactions:(1)Fe(s) + Cl2(g)->FeCl2(s) H(1) = -341.8 kJ(2)Hg(l) + Cl2(g)->HgCl2(s) H(2) = -224.3 kJcalculate the enthalpy change for the following reaction:(3) FeCl2(s) + Hg(l)-> Fe(s) + HgCl2(s) H(3) = kJ

Substance SiO,(s) SICLO H,O) HCIE) AH°, (kJ/mol) -910.7 -687.0 -285.83 -92.307 Calculate the standard enthalpy change for the following reaction: SICI4(1) + 2H20(1) → SIO2 (s) + 4HCI (g)

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Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g) C4H10(9) (2) C₂H4(g) →→2C(s) + 2H₂(g) (3) 2C₂H4(g) + H₂(g) C4H10 (9) ΔΗ° = -125.6 kJ what is the standard enthalpy change for the reaction: KJ AHO = -52.3 kJ ΔΗ° = ?

Given the following enthalpy change values for the reactions below: A + B → 2C; AH = -485.1 kJ mol-¹ C + 2D + E +F; AH = 251.4 kJ mol-¹ ½E + G +H; AH = 471.1 kJ mol-¹ Calculate A,H for the following reaction (in kJ mol-¹) using Hess's Law: A + B + 4D + 4G → 4H + 2F Answer:

Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(g) 2NO(g) AH° = 181.8 kJ (2) N2(g) + 202(g)2NO2(g) AH° = 66.4 kJ what is the standard enthalpy change for the reaction: (3) 2NO(g) + O2(g) 2NO2(g) AH° = ? kJ