
it's okay just solve the a and b then


it's okay just solve the a and b then (a) Calculate the enthalpy of formation of...
14 (a) Give a definition of lattice energy. Does your definition mean that the associated enthalpy of reaction will be positive or negative? (b) Use the Born-Landé equation to calculate a value for the lattice energy of KBr, for which ro = 328 pm. KB adopts an NaCl structure; other data may be found in Tables 6.3 and 6.4. lattice drum Table 6.3) can be evalu where repulsion coefficient Bom exponent Values of the Bom exponent (Table from compressibility data...
Part A; Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D where the heats of formation are given in the following table: Substance ΔH∘f (kJ/mol) A -251 B -375 C 191 D -519 Answer to Part A- 221kJ FIND PART B & C PART B- For the reaction given in Part A, how much heat is absorbed when 3.40 mol of A reacts? Express your answer numerically in kilojoules. PART C- For the reaction given in Part A, ΔS∘rxn is...
1. Which one of the following is most likely to be an ionic compound? A) CaCl2 B) CO2 C) CS2 D) SO2 E) OF2 2. Which one of the following ionic solids would have the largest lattice energy? A) NaCl B) NaF C) CaBr2 D) CsI E) CaCl2 3. Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I – (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K: 419 kJ/mol...
Using enthalpies of formation
(Appendix C), calculate ΔH ° for the following reaction at 25°C.
Also calculate ΔS ° for this reaction from standard entropies at
25°C. Use these values to calculate ΔG ° for the reaction at this
temperature. COCl2(g) + H2O(l ) h CO2(g) + 2HCl(g).
Appendix C Thermodynamic Quantities for Substances and Ions at 25°C Substance or lon AH; (kW/mol) 0 AG: (kJ/mol) 0 S° (J/mol-K) 20.87 ΔΗ, (kJ/mol) -946.3 - 33422 AG; {kj/mol) --859,3 -2793 (J/mol-K)...