Find. AH°rxn for the reaction 2Ag2S(s) + 2H20(1) 4Ag(s) + 2H2S(9) + O2(g). [AH: (Ag2S(s)) =...
Find AH®rxn for the reaction 2Ag2S(s) + 2H2O(0) - 4Ag(s) + 2H2S(g) + O2(g). [AH°F (Ag2S(s)) = -326 kJ/mol; AH+ (H2S(g)) = -20.5 kJ/mol; AHT (H2000) = -285.5 kJ/mol] O 575.2 kJ/mol 0 565.2 kJ/mol O None of the above O 585.2 kJ/mol 0 595.2 kJ/mol
(1) Consider SO2 (g) + 2H2S(g) = 3(g) + 2H2O(1) AH : (i) SO2 (g) = -296.8 KJ/mol (ii) H2S (g) = -20.4 KJ/mol (iii) H20 (1) = -285.84 KJ/mol AH for the above reaction is: (a) 234.08 KJ (b)-234.08 KJ (c) 31.36 kJ (d) -31.36 KJ (e) None (2) The above reaction is (a) Endothermic (b) Exothermic (c) entropic (3) in k = Ae Ea/RT, Ea is (a) Activation Energy (b) 8.314 J/mol.K (c) Rate constant (4) In a...
What is AHin for the following chemical reaction? CS2(g) + 2H20(1) - CO2(g) + 2H2S(g) You can use the following table of standard heats of formation (AH) to calculate the enthalpy of the given reaction Element Compound Element Compound Standard Heat of Formation (kJ/mol) 218 Standard Heat of Formation (kJ/mo!) 473 0 285.8 H(g) H2(g) H2O(1) CS2(g) C(g) C(s) N(8) 02 (8) 0(g) H2S(g) CO2(g) HNO3(aq) 116.7 249 20.60kJ 393.5kJ 206.6 Express the standard enthalpy of reaction to three significant...
Part C Given the following reactions 2H2 (9) + O2(g) → 2H20 (9) AH = - 483.64 kJ 2H20 (1) ► 2H2(g) + O2 (9) AH = 571.66 kJ Calculate the enthalpy for the condensation of water vapor to liquid, given by this reaction: H2O(g) + H20 (1) +44.01 kJ +88.02 kJ 0 -44.01 kJ -88.02 kJ Submit Request Answer
Answer it plz 4. Determine the theoretical AH°rxn: The theoretical heat of combustion of ethanol (AH®rxn) can be calculated using the standard molar heat of formations from the thermochemical equation. CH3CH2OH (C) + 3 O2(g) → 2 CO2 (g) + 3 H2O(g) AHørxn = ? rxn ΔΗ, - ZnAH"prod) Z(MAH react) AHP (H20 (g)) = -241.83 kJ/mol: AH (CO2(g)) = -393.51 kJ/mol; AH(CH3CH2OH (e)) = -277.0 kJ/mol; and recall that AHF of element = 0
Ch. 5, 6 A What is AH rxn for the following reaction? SIO2 (s) + 4HCl(g) → SiCl4(g) + 2H20(9) Substance AH {(kJ/mol) SIO2(5) 859.3 SiCl4(9) 662.8 HCl(9) -92.3 H20(9) -241.8 Multiple Choice о -1856.2 kJ/mol о -13726 kJ/mol О -470 kJ/mol
9. (3 pts) Find the AH and AU for the target reaction at 25 C. Use the given information Target: H2SO4(1) ► S03(g) +H2O(g) Given (at 25 C) H S(g) +2 O2(g) → H2SO4(1) AH=-235.5 kJ/mol H2S(g) +2 02(g) → SO2(g) + H2O(1) AH = -207 kJ/mol H2O(l) → H2O(g) AH = 44 kJ/mol
1) Find the AH of the following reaction: C(s) + O2(g) à CO2(g) Given the following data: Sro(s) + CO2(g) à SrCO3(s) 2Sro(s) à 2Sr(s) +0,(8) AH = -234 kJ AH = +1184 kJ 2SCO,(s) à 25r(s) + 2C(s) + 302(g) AH = +2440 kJ 2) Find the AH of the following reaction: 3NO,(g) + H2O(l) à 2HNO,(aq) + NO(g) Given the following data: 2NO(g) + O2(g) à 2NO(g) AH=-116 kJ 2N2(g) + 502(g) + 2H2O(l) à 4HNO3(aq) AH =...
11) Given the thermochemical equation 4AICl(s)+30-(8 2AbO,(s) + 6Cl(g); AH-529 kJ/mol-rxn find ΔιΗ"for the following reaction. Also,(s) + Cl2(g)-> a. +88.2 kJ/mol-rxn b. +264.5 kJ/mol-rxn c. +529.0 kJ/mol-rxn d. +176.3 kJ/mol-rxm e. -176.3 kJ/mol-rxn AICI3(s) + O2(g)
What is AH°rxn for the following reaction? H3AsO4(aq) + 4H2(g) → AsH3(g) + 4H2O(1) Substance AH°f(kJ/mol) 171.5 AsH3(8) H3ASO4(aq) H2O(1) -904.6 -285.8 O -790.3 kJ/mol O-1018.9 kJ/mol 0 -410.1 kJ/mol O -67.1 kJ/mol 0 -1876.3 kJ/mol