C3H8 (g) +502(g) → 3CO2 (g) +4H₂O(g) AHxn=-2044 kJ Spontaneous at all temperatures 2N2(g) + O2(g) →2N₂O(g) AHxn= +163.2 kJ Spontaneous at high temperatures 4NH3(g) + 502(g) → 4NO(g) + 6H₂O(g) AHxn-906 kJ Spontaneous at low temperatures Nonspontaneous at all temperatures

Q: Calculate the ΔH for the reaction: 4 NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (g) from the following…

A: According to Hess's law, the enthalpy change of a reaction is independent of the number of steps…

Q: Calculate ΔSorxn for the reaction: 2 SO3(g) → 2 SO2(g) + O2(g)   ΔSo in J/mol K for: SO2(g) =…

A:

Q: Calculate ΔH°rxn using the following information:                 SO2I2(g) + 2 H2O(l)  →  2 HI(g)…

A: For the given reaction: SO2I2(g) + 2 H2O(l)  →  2 HI(g) + H2SO4(l)   ΔH°rxn for the above given…

Q: Given the following combustion data for three different fuels: CH4 (g), C8H18 (l) and CH3OH (l), CH4…

A: The ratio of energy to the molar mass is known as energy density.

Q: Calculate ΔH⁰298  (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following information

A: Hess's law :  This law states that " the change of enthaply in a chemical reaction is the same ,…

Q: Calculate the ∆H°rxn for the reaction C(graphite) + 2H2(g) → CH4(g) from the following enthalpy…

A: ∆H°rxn can be calculated from the enthapy change of the given reactions. If the reaction is…

Q: Using the equations Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol CO₂ (g) → C (s) + O₂ (g) ∆H° =…

A: The given equation are Ca(s) + 1/2 O₂ (g) → CaO (s) ∆H° = -450 kJ/mol                       ......…

Q: At 298 K, the following heats of reaction are known: S (s) + O2 (g) → SO2 (g) ΔH = −296.1 kJ 2 SO3…

A:

Q: Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and…

A: "Hess law" helps in the evaluation of enthalpy change (Delta H)  for any specific reaction. When the…

Q: Using the equations 2 Sr(s) + O₂ (g) → 2 SrO (s) ∆H° = -1184 kJ/mol CO₂ (g) → C (s) + O₂ (g) ∆H° =…

A: Given:

Q: hat is ΔHof of Al2S3(s)?   2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ   ΔHof…

A: The reaction : 2Al2S3(s) + 9O2(g) → 2Al2O3(s) + 6SO2(g)     ΔHo = -3684.2 kJ ΔHof  Al2O3(s) =…

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° =…

A:

Q: Using the equations 2 Fe (s) + 3 Cl₂ (g) → 2 FeCl₃ (s) ∆H° = -800.0 kJ/mol Si(s) + 2 Cl₂ (g) →…

A: The reactions given are 1) 2 Fe (s) + 3 Cl₂ (g) → 2 FeCl₃ (s)                                  ∆H° =…

Q: Determine the enthalpy of reaction for HCl(g) + NaNO₂(s) → HNO₂(l) + NaCl(s) 2NaCl(s) + H₂O(l) →…

A:

Q: Consider the following equations and data:  CH4(g)   +   2O2(g)    ------->     CO2(g)     +…

A: Given CH4(g) + 2O2(g) → CO2(g) + 2H2O (l) ΔH = - 890.4 kJ/mol  2H2O(l) → 2H2O(g) ΔH = +88.0 kJ/mol

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° =…

A: Some Basic rule. 1) On reverse of the reaction ,sign of ∆H value changes . 2) If any number is…

Q: or the reaction N2(g) + O2(g)  2 NO(g) G° = 172.1 kJ and S° = 24.9 J/K at 340 K and 1 atm. This…

A: Given : G° = 172.1 kJ  S°= 24.9 J/K at 340 K and 1 atm.

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° =…

A: It is given that the enthalpy for the reactions, H2(g) + F2(g) → 2 HF(g) ∆H° = -79.2 kJ/mol  C(s) +…

Q: H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° = 141.3 kJ/mol 2 C(s) +…

A:

Q: Using the following thermochemical data:   2Sb(s) + 6HF(g) → 2SbF3(s) + 3H2(g)           ΔH° =…

A: