Given the data in the table below, determine Hrxn for the following reaction.
Given the data in the table below, determine Hrxn for the following reaction. 18. Given the data in the table below,...
12) Use the following data to calculate the standard heat (enthalpy) of formation, ???, of manganese(IV) oxide, MnO2 (s). 2MnO2(s)--2MnO(s) + O2(g) MnO2(s) + Mn(s)- 2Mn0(s) ??-264 kJ ?? -240 kJ 13) Calculate the ??0nn for the following reaction. (Arf [SiO2(s)--910.9 kJ/mol; APf [SiCl4(g)]--657.0 kJ/mol; ??'f [HCI(g)1--92.3 kJ/mol; ? Hof [H2O(g),- -241.8 kJ/mol) SiO2(s) + 4HCI(g)-SiCI(g) + 2H2O(g)
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
Hess's Law Practice Find AH° for the following equation: SiO2(s) + 4HF(g) → SiF4(g) + 2H2O(g) Using the following equations: Si(s) + O2(g) → SiO2(s) Si(s) + 2F2(g) → SiF4(g) H2(g) + F2(g) → 2HF(g) H2(g) + 4202(g) → H2O(g) AH = -910.9 kJ/mol rxn AH = -1651 kJ/mol rxn AH = -542 kJ/mol rxn AH = -241.8 kJ/mol rxn
b) Use the net ionic reaction only, and calculate the enthalpy of the reaction (Hrxn) using the Tom b formula: AH = EnaHproducts - EnaHreactants, where n is the number of moles, or the coefficient in the net ionic equation. The table below shows some common AH values. Use the values relevant to the net ionic equation to do your calculations. *The standard enthalpy of the H(aq) ion is zero. Substance State AH' Check the species if it is Total...
52) Use the standard reaction enthalpies given below to determine AHryn for the tonowe reaction P4() + 10 C12(e) → 4PC15(s) Hºrxn = ? Given: PC15(s) → PC13(g) + Cl2(e) AHørxn = +157 kJ P4(B) + 6 Cl2(e) → 4 PC13(g) AH*rxn=-1207 kJ A) -1835 kJ B) -1364 kJ C) -1050. kJ D) -1786 kJ E) -2100. kJ 53) Use the standard reaction enthalpies given below to determine AHørxn for the following reaction 4 SO3(e) — 4 S(s) + 6...
Please help with both as its the last attempt remaining What is the AHF for the following reaction? C(s) + 2H2(g) - CHA(g) Use: CO2(g) = -393.15 kJ H2O(g) = -241.8 kJ H20 (1) = -285.8 kJ CaCO3(s) =-1206.9 kJ CaO(s)= -635.1k NH3(g) = 46.1 kJ CH4(g) = -74.8 kJ PC13(1) = -319.7 kJ C6H6(1) = +49.0 kj NO2(g) = +34.0 kJ CH3OH(1) = -239.0 kJ C3H18(1) = -269.0 kJ Al2O3(s) =-1675.7 kJ SiO2(s) =-910.9 kJ CuSO4(s) =-771.4 kJ OA....
7 Consider the following reaction at 298 K: NH3(g) +HCI(g)NH4CI(s) Using the thermochemical data at 298 K given below (a) Determine the AH for the reaction. (2 marks) (b) Determine the AG for the reaction and comment on its value. (3 marks) (c) Determine the maximum work done available in the reaction. (3 marks) An equilibrium mixture, consisting of 0.5 atm of NHy(), 0.5 atm of HCKg) and excessive of NH Cl(s), is enclosed in a container at 298 K...
Given the data in the table below, AHxn for the reaction 4NO (g) + 6H20 (1) -→ 4NH3(g) +502 (g) is kJ. Substance AH (kJ/mol) H20 (1) 286 NO (g) 90 34 NO2 (g) HNO3(aq) NH3(g) -207 -46 O Insufficient data O-242 O +1172 O +586 O-540
Consider the reaction: 2NO(g) + Cl2(g) → 2NOCI(g) Given the following table of thermodynamic data, Substance NO (g) Cl2(g) NOCI (g) AH (kJ/mol) 90.3 0 sº (/mol.K) 210.7 223.0 51.7 261.6 Calculate Ahºrxn and AS rxn and determine the temperature at which the reaction switches from being spontaneous to being non-spontaneous.