Ammonia is an important chemical used in theproduction of fertilizer. Industrial production ofammonia from atmospheric nitrogen is difficultbecause of the energy required to cleave theN-N triple bond. Consider the balanced reactionof ammonia: N2(g) + 3H2(g) → 2 NH3 (9).This reaction has a value of K = 4.3 x 10-2 at 25°C.Part AEstimate the AH for this reaction using bond energies.BondBond DissociationEnergykcal/mol (kJ/mol)N-H 93 (391)N-N 38 (160)H-H 103 (432)N = N 226 (946)Express your answer as an integer.ΜΕ ΑΣΦ?kJ/mol

The enthalpy change of a chemical reaction can be calculated by using the bond energies. The…

4 Part A Ammonia is an important chemical used in the production of fertilizer. Industrial production of ammonia from atmospheric nitrogen is difficult because of the energy required to cleave the N-N triple bond. Consider the balanced reaction of ammonia: N2 (9) + 3 H2(g) →2 NHs (g). This reaction has a value of K = 4.3 x 10-2 at 25 °C. Estimate the AH for this reaction using bond energies. Bond Dissociation Bond Energy kcal/mol (kJ/mol) N-H 93 (391) N-N 38 (160) H-H 103 (432) N N 226 (946) Express your answer as an integer. ΜΕ ΑΣΦ ? kJ/mol

4 Part A Ammonia is an important chemical used in the production of fertilizer. Industrial production of ammonia from atmospheric nitrogen is difficult because of the energy required to cleave the N-N triple bond. Consider the balanced reaction of ammonia: N2 (9) + 3 H2(g) →2 NHs (g). This reaction has a value of K = 4.3 x 10-2 at 25 °C. Estimate the AH for this reaction using bond energies. Bond Dissociation Bond Energy kcal/mol (kJ/mol) N-H 93 (391) N-N 38 (160) H-H 103 (432) N N 226 (946) Express your answer as an integer. ΜΕ ΑΣΦ ? kJ/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter20: The Representative Elements

Section: Chapter Questions

Problem 68E: Give the Lewis structure, molecular structure, and hybridization of the oxygen atom for OF2. Would...

See similar textbooks

Similar questions

Calculate the lattice energy of AgBr(s) using the following thermodynamic data (all data is in kJ/mol). Ag(s) ΔHsublimation = 265 kJ/mol Ag(g) Ionization energy = 711 kJ/mol Br-Br(g) Bond energy = 173 kJ/mol Br(g) Electron affinity = -345 kJ/mol AgBr(s) ΔH°f = -120 kJ/mol ______________ kJ/mol
Calculate the enthalpies of formation, Δ?∘f,Δ⁢Hf∘, of group 1 chloride compounds from their elements by using the Born–Haber cycle. Process Δ?∘, kJ/molΔ⁢H∘, kJ/mol Sublimation of K(s)K(s) 90 Sublimation of Rb(s)Rb(s) 86 Dissociation of Cl2(g)Cl2⁢(g) 244 Ionization energy of K(g)K(g) 419 Ionization energy of Rb(g)Rb(g) 403 Electron affinity of Cl(g)Cl(g) −349 Lattice enthalpy of KCl(s)KCl(s) 717 Lattice enthalpy of RbCl(s)RbCl(s) 695 Δ?∘fΔ⁢Hf∘ of KCl=KCl= kJ/molkJ/mol Δ?∘fΔ⁢Hf∘ of RbCl=RbCl= TOOLS x10y kJ/mol
Two compounds are isomers if they have the same chemicalformula but different arrangements of atoms. Use Table 8.3to estimate ΔH for each of the following gas-phase isomerizationreactions and indicate which isomer has the lowerenthalpy
Give the Lewis structure, molecular structure, and hybridization of the oxygen atom for OF2. Would you expect OF2 to be a strong oxidizing agent like O2F2 discussed in Exercise 61?
Data are given in Appendix 1 for white phosphorus, P4(s). P4(g) has the following thermodynamic values: Hf=58.9kJ/mol , S=280.0J/kmol . What is the temperature at which white phosphorus sublimes at 1 atm pressure?
Explain the trend in the strengths of oxyacids (Pauling’s prediction)
Give answers of the following. a. Which allotropic forms of carbon are conductor and which are non-conductors and why. b. Why diamond is hard while graphite is soft.c. Describe the Lewis structure of H2SO4, H2S4O6 and HNO3 in detail.
Mixing SbCl3 and GaCl3 in a 1;1 molar ratio (usingliquid sulfur dioxide as a solvent) gives a solid ioniccompound of empirical formula GaSbCl6. A controversyarises over whether this compound is ( ) SbCl2 + ( ) GaCl 4 - or( ) GaCl+ 2 ( ) SbCl 4 -(a) Predict the molecular structures of the two anions.(b) It is learned that the cation in the compound has abent structure. Based on this fact, which formulationis more likely to be correct?
If you knew thatEnergy required for evaporation of sodium =109 kJ/mol The energy required for evaporation of bromine =31 kJ /mol of the bond energy Br__Br =192 kJ /mol of the first cyanide energy of sodium= 496 kJ/mol The energy of the crystal lattice of NaBr= - 734 kJ The energy change of the reaction *Na(s)+1/2Br2(l)____NaBr(s)* equals = - 360 kJ/ mol Calculate Electronic affinity for bromine, the energy resulting from change Br(s)+e-___Br-(s)
GaAs is a compound semiconductor commonly used for LEDs. Talk about the chemical bonds and crystal structures of GaAs crystals and explain why they become semiconductors, not metal alloys (consider the electronic structure of each atom and sp3 hybrid orbit).
the gas hydrazine N2H4 , burns in oxygen like this: N2H4 + 2O2 -> N2 + 4OH a.count and list the bonds brokeb in this reaction
A student investigates the physical and chemical properties of various carbon-containing compounds. Thr complete Lewis electron-dot diagrams and boiling points for two compounds, Q and Z, are shown in the following table: B) Any C — H bond in compound Q is shorter than the S — H bond in compound Z. Explain the reason for this difference using principles of atomic structure.