PLEASEE HELPPP 5. (15 pts) Carbon monoxide can be formed by the reaction of carbon and...
Carbon monoxide can be formed by the reaction of carbon and steam Cls) + H2O(g) → CO(E) + H2(g) AH° = -352.3 kJ/mol Calculate the standard enthalpy of formation of CO(g) if the standard enthalpy of the reaction 2 H,O() ► O2(g) + 2H2(g) is AHⓇ-483.6 kj/mol.
Carbon monoxide can be formed by the reaction of carbon and steam AHo -352.3 kJ/mol C(s) +H2O(B) CO(B)Hz(g) Calculate the standard enthalpy of formation of CO(g) if the standard enthalpy of the reaction 02 (g) + 2H2(g) is AHo -483.6 kj/mol. 2 H20(g)
Consider the reaction: 2 BsHs (I)12 02 (g) (a) Use the standard enthalpies of formation found in Appendix B of the textbook to calculate the enthalpy change of the reaction. The standard enthalpy of formation of BsH, (I) is 73.2 kl/mol. 5 B2Os (s) +9 H2O (I) (b) Predict the sign of the entropy change and provide the two reasons likely to have made the biggest impact on the entropy change (and upon which you based your prediction). (c) Based...
2) From the enthalpies of reaction provided, calculate the AH for the reaction of carbon with hydrogen as shown below. Is the reaction exothermic or endothermic? How many grams of C3Hg are produced with an enthalpy change of 209.4 kJ? 3 C(s) + 4 H2(g) - C He(a) moto-non (5+3=2 C3H8(9) + 5 O2(g) 3 CO2(g) + 4 H2O(9) AH = -2043 kJ/mol AH = -393.5 kJ/mol C(s) + Ozon 2 H2(g) + O2th CO2(g) 2 H20(9) AH = -483.6...
A scientist measures the standard enthalpy change for the following reaction to be - 87.7 kJ : 2HBr(g) + Cl2(g)— 2HCl(g) + Bra(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is kJ/mol CH4() + H2O(g)_3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is kJ/mol Given the standard enthalpy changes for...
6. Calculate the heat change, in kJ, if 8.7395x10 mg of carbon dioxide were produced in the following reaction: C(3) + 01 kg) 4 CO (g) 3H" = -3935 /mol 7. Water vapor and gaseous nitrogen monoxide react to yield oxygen gas and ammonia. Calculate the enthalpy of formation of Ammonia given the following heats of formation: Nitrogen Monoxide AH = 90.4 kJ/mol, Water vapor AH -241 8 kJ/mol, AH = 904 kJ/mol 216
problem is together. 3. Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2(g) - CO, (g) Use the following equations: a) H2O(l) → H2(g) + 2O2(g) AH°-= +285.8 kJ/mol b) C2H6(g) → 2C (s) + 3H2(g) AH'= +84.7 kJ/mol c) 2CO2 (g) +3H2O (1) C2H6(g) + (7/2) O2(g) AH°F = +1560.7 kJ/mol
c) The standard enthalpies of formation and molar entropies of phosgene, carbon monoxide, and chlorine are COCl2(g): ΔfH° = -220.08 kJ mol-1; S° = 283.8 J mol-1 K-1 CO(g): ΔfH° = -110.53 kJ mol-1; S° = 197.66 J mol-1 K-1 Cl2(g): ΔfH° = 0 kJ mol-1; S° = 223.08 J mol-1 K-1 i) Determine the reaction Gibbs energy for the decomposition of phosgene at 298 K. Is this reaction spontaneous at this temperature? [25 marks] ii) At what temperature does...
Question 1: A scientist measures the standard enthalpy change for the following reaction to be 2884.8 kl: 6C06 H20CH20s +6 02(g) Based on this value and the standard enthalpies of formation for the other substances, the standard ki/mol. enthalpy of formation of H2O(I) is Question 2: A scientist measures the standard enthalpy change for the following reaction to be -55.5 kJ: С-Н.(в) + H,О(в)сн,сн,он (в) Based on this value and the standard enthalpies of formation for the other substances, the...
Entropy/Enthalpy Questions 2. Consider the reaction: 2 BsHo (I)+ 12 O: (8) (a) Use the standard enthalpies of formation found in Appendix B of the textbook to calculate the enthalpy change of the reaction. The standard enthalpy of formation of BsH, () is 73.2 kl/mol. 5 B0, (s) + 9 HiO () s(-1272) 9-235.84)-273.2)-2(0) [-8932.56-146.47 40 78.46 (b) Predict the sign of the entropy change and provide the two reasons likely to have made the biggest impact on the entropy...