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- Calculate the dHo of the synthesis reaction using the values from the table provided. H2(g) + O2 (g) ---> H2O (g)Find ΔH for the reaction C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l) ΔHrxn = ? Given: [CO2(g)] = -393.5 kJ/mol, [H2O(l)] = -285.8 kJ/mol, [C3H8(l)] = -103.8 kJ/mol) (Your answer is in kJ and has one digit after the decimal. Enter only the number)Given the reactions below, answer the following questions. Cl2(g) + F2(g) ----> 2ClF(g) ΔG∘rxn = 115.4 kJ/molCl2(g) + Br2(g) ---->2ClBr(g) ΔG∘rxn = –2.0 kJ/mol Calculate the ΔG∘rxn for 2ClF(g) + Br2(g) ----> 2ClBr(g) + F2(g)
- What is ΔSo for the reaction below? 3 NO2(g) + H2O(l) ----> 2 HNO3(aq) + NO(g) So (J/K-mol): 240.0 69.9 146.0 210.7 -1370 J/K-mol 287.2 J/K-mol 1370 J/K-mol 384.7 J/K-mol -287.2 J/K-molDetermine AGrxn for 2 A(g) + B₂(g) → 2 AB(g) A. -400 kJ B. -250 kJ C. -200 kJ D. -100 kJ E. -50 kJ Compound(state) AG (kJ/mol) A(g) B₂(g) AB(g) 0 -100 -150Draw a dashed line to show the effect of adding a catalyst to the system which decreases EA by 20 kJ. Name 4 things that speed up a reaction:
- Calculate ΔG°rxn, ΔH°rxn, and ΔS°rxn of the following reaction: Na(s) -> Na(g)48 Use data to compute ΔG° at 57.0°C for the following reaction. 2ClO2−(aq) + O2(g) → 2ClO3−(aq) ΔH°f (ClO2−(aq)) = -67 kJ mol-1ΔH°f (ClO3−(aq)) = -104 kJ mol-1ΔS° (ClO2−(aq)) = 101 J mol-1 K-1ΔS° (O2(g)) = 205.152 J mol-1 K-1ΔS° (ClO3−(aq)) = 162 J mol-1 K-1ΔG°f (ClO2−(aq)) = 17 kJ mol-1ΔG°f (ClO3−(aq)) = -3 kJ mol-1Urea, CO(NH2)2 is slowly converted to ammonia (NH3) at 25.0 °C according to the following reaction. CO(NH2)2 (aq) + H2O (l) → CO2 (aq) + NH3 (aq) The following data were obtained for this reaction Compound ∆H°f (kJ/mol) CO(NH2)2 (aq) -319.2 H2O (l) -412.9 CO2 (aq) -285.8 NH3 (aq) -80.3 A) Calculate ∆H° for the reaction B) What type of reaction is this (endothermic, exothermic, neither) c)Calculate the change in enthalpy (∆H°) for the decomposition of 2.00 g of urea.