1. Answer the following questions concerning the formation of glycine from hydrogen azide, carbon monoxide and hydrogen.
HN3 + 6 CO + 7 H2 ______> 3 C2H5O2N
Glycine: Hf = - 528 kJ/mol
Hydrogen Azide: Hf = +294 kJ/mol
(a) Calculate the standard enthalpy change for the reaction.
(b) Is HN3 a stable compound? Why?
1. Answer the following questions concerning the formation of glycine from hydrogen azide, carbon monoxide 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)
PLEASEE HELPPP 5. (15 pts) Carbon monoxide can be formed by the reaction of carbon and steam C(s) + H2O(g) → Cole) + Hale) AH -352.3 kl/mol Calculate the standard enthalpy of formation of Cote if the standard enthalpy of the reaction 2 H2O(e) → Ole) + 2Hale) is AH -483.6 kj/mol. Intel
Calculate the standard enthalpy of formation of gaseous carbon tetrafluoride (CF4) using the following thermochemical information: Calculate the standard enthalpy of formation of gaseous carbon tetrafluoride (CF4) using the following thermochemical information: H2(g)F2(g) 2 HF(g) 2 CF4(g)4 HF(g) C2H4(g) +6 F2(g) C2H4(g)2 C(s) 2 H2(g) AH -537 kJ AH 2486.3 kJ AH -52.3 kJ ΔΗ - kJ
Be sure to answer all parts. At 25°C, the standard enthalpy of formation of HF(aq) is -320.1 kJ/mol. Of OH(aq), it is -229.5 kJ/mol. Of F (aq), it is -330.2 kJ/mol, and of H2O(l), it is -285.9 kJ/mol. (a) Calculate the standard enthalpy of neutralization of HF(aq): HF(aq) + OH(aq) + (aq) + H2O(1) kJ/mol (b) Using the value of -56.3 kJ as the standard enthalpy change for the reaction H(aq) + OH(aq) +H2O(1) calculate the standard enthalpy of change...
For the reaction Co (g) + 3 H2 (g)CH4(g) + H2O (g) calculate the enthalpy change in kJ at standard temperature and pressure for the consumption of 1.2 moles of carbon monoxide (g). The table below gives thermodynamic parameters. compound at 25 C ΔΗ f kj mol 'S JK ' mol kj mol carbon monoxide (g) -110.53 hydrogen (g) methane (g) water (I) water (g) 0 -1 197.67 130.68 186.26 69.95 188.83 137.17 74.81 285.83 241.82 -50.72 237.13 228.57 rxn...
Calculate the standard enthalpy of formation of gaseous carbon tetrafluoride (CF4) using the following thermochemical information: 2 HF(g) H2(g) + F2(g) H = +537 kJ 2 CF4(g) + 4 HF(g) C2H4(g) + 6 F2(g) H = +2486.3 kJ C2H4(g) 2 C(s) + 2 H2(g) H = -52.3 kJ Calculate the standard enthalpy of formation of gaseous carbon tetrafluoride (CF4) using the following thermochemical information: 2 HF(g) H2(g) + F2(g) H = +537 kJ 2 CF4(g) + 4 HF(g) C2H4(g) +...
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
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...
3. You are given the following standard enthalpies of formation at 25°C. HF (aq) -320.1 kJ/mol OH(aq) -230.0 kJ/mol F (aq) -332.6 kJ/mol H:0 (1) -285.8 kJ/mol a. Calculate the standard enthalpy of neutralization of HF (aq) HF (aq) + OH(aq) F (aq) + H20 (1) b. Using the value of -56.2 kJ/mol as the standard enthalpy change for the reaction H' (aq) + OH(aq) - H20 (1) calculate the standard enthalpy change for the reaction HF (aq) - H(aq)...