Give the data in table below,
Hrxn for the reaction.
NH3(aq)+H2SO4(aq)HSO4-(aq)+NH4+(aq)
Compound / Hf
(kj/mol)
NH3= -80.29
H2SO4= -909.3
NH4+= -132.5
HSO4- = -212.08
NH3(aq)+H2SO4(aq)HSO4-(aq)+NH4+(aq)
Hrxn =
Hf products -
Hf reactants
= (- 212.08 - 132.5) - (- 80.29 - 909.3)
= - 344.58 + 989.59
Hrxn = 645.01 kJ/mol
Give the data in table below, Hrxn for the reaction. NH3(aq)+H2SO4(aq)HSO4-(aq)+NH4+(aq) Compound / Hf (kj/mol) NH3= -80.29...
Given the data in the table below, determine Hrxn for
the following reaction.
18. Given the data in the table below, determine AH for the following reaction: rxn SiCla (g) + 2 H20 (g) SiO2 (s)4 HCI (g) AH: (kJ/mol) Substance SiO2 (s) HCI (g) SiCla (g) H2O (g) -910.9 -92.3 -657.0 -241.8 A. -598.9 kJ B. +139.5 kJ C. -139.5 kJ D. +1106.7 kJ E. +598.9 kJ
The salt ammonium perchlorate dissolves in water according to the reaction: NH4ClO4(s) NH4+(aq) + ClO4-(aq) (a) Calculate the standard enthalpy change ΔH° for this reaction, using the following data: NH4ClO4(s) = -295.3 kJ mol-1 NH4+(aq) = -132.5 kJ mol-1 ClO4-(aq) = -129.3 kJ mol-1 kJ (b) Calculate the temperature reached by the solution formed when 33.9 g of NH4ClO4 is dissolved in 0.196 L of water at 23.4 °C. Approximate the heat capacity of the solution by the heat capacity...
26 and 28??
Given the ΔΗ, in kJ/mole: NH4CI(S) Li (aq) NH4 (aq) NH3(aq) HCI(aq) LiCI(s) Cl(aq) 133.26 80.29 -167.2 408.6 167.1 314.4 -278.47 Final Value Intermediate Value 26. Calculate the actual ΔΗ'rn (in kj/mole) for the dissolution of LiCl(s) 10 27. Calculate the % error between this actual value and 10 your experimental ΔΗ0rn. 28. Calculate the actual AHn (in kj/mole) for the dissolution of NH4CI(s) 10 29. Calculate the % error between this actual value and 10 your...
Give the conjugate acid for each compound below. Base HSO4- HPO42- NH3
The salt ammonium chloride dissolves in water according to the reaction: NH4Cl(s) NH4+(aq) + Cl-(aq) (a) Calculate the standard enthalpy change ΔH° for this reaction, using the following data: NH4Cl(s) = -314.4 kJ mol-1 NH4+(aq) = -132.5 kJ mol-1 Cl-(aq) = -167.2 kJ mol-1 kJ (b) Calculate the temperature reached by the solution formed when 35.3 g of NH4Cl is dissolved in 0.160 L of water at 24.6 °C. Approximate the heat capacity of the solution by the heat capacity...
The salt ammonium chloride dissolves in water according to the reaction: NH_CI) —NH4+ (aq) + Cl(aq) (a) Calculate the standard enthalpy change AH° for this reaction, using the following data: AH NHACI() = -314.4 kJ mol-1 AHNH4+(aq) = -132.5 kJ mol-1 AH; Cr(aq) = -167.2 kJ moll kJ (b) Calculate the temperature reached by the solution formed when 36.8 g of NH4Cl is dissolved in 0.186 L of water at 23.7 °C. Approximate the heat capacity of the solution by...
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)...
Given the information below, what is AGº for the reaction: NH4NO3(s) - NH4+ (aq) + NO3(aq) AH (kJ/mol) S° (J/molk) NH4NO3(s) -365.56 151.08 NH4 (aq) -132.51 113.4 NO3(aq) -205.0 146.4 +32.3 kJ -80.7 kJ -4.34 kJ O none of these
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol K) 0 205.1 Oxygen 02 (g) O(g) 03 (g) 249.2 231.7 161.1 142.7 163.2 238.9 Phosphorus AH° (kJ/mol) AG°f(kJ/mol) sº (/mol K) Nitrogen AH°(kJ/mol) AG°f(kJ/mol) s° /mol K) N2 (8) 0 191.6 N (g) 472.7 455.6 153.3 NH3 (g) -46.1 -16.5 192.5 NH3 (aq) -80.0 -27.0 111.0 132.0 -79.0 113.0 90.3 86.6 210.8 51.7 66.1 261.8 NH4+ (aq) NO (g) NOCI (9) NO2 (g)...
2. Use the data of Part B for the reaction between NH3 (aq) and HCl (aq), and equation 2 to determine: AH for each run in kJ (AHA), AH per mole of limiting reagent for each run, and the average AH/mol of limiting reagent. Assume that the specific heat capacity of the solution is 4.184 J/gºC, the final volume is 100.0 mL, and the density is 1.03 g/mL. Show one sample calculation in the space below. Run # 1 Run...