QUESTION 21 Which of the following is the reaction associated with the lattice energy of Ca3N2?...
Calculate the lattice energy of CaCl2 given the following thermodynamic data: Reactions Energies (kJ/mol) Ca (s) --> Ca (g) 178.0 Ca (g) --> Ca+ (g) + e- 590.0 Ca+ (g) --> Ca2+ (g) + e- 1145 Cl2 (g) --> 2 Cl (g) 242.6 Cl (g) + e- --> Cl- (g) -348.7 Ca (s) + Cl2 --> CaCl (s) ΔHof = -795.0
7.5 lonic Bonding and Lattice Energy 1. Organize the following in terms of increasing magnitude of lattice energy: KСI Mgs NaF Mgo SrSe 7.5 Bond Energies 2. a. Choose the covalent bond below that is the strongest (largest bond energy) b. Choose the covalent bond below that is the longest. a. N-O d. N-N e. N-C b. N-O c. N-N 3. a) Given the following bond energies, estimate the AH of the reaction: 2 NH3 (g)N2 (g) + 3 Hz...
Draw the Born-Haber Cycle with these values and calculate
lattice energy.
Problem 1: Label each reaction listed below for the Born-Haber cycle in the formation of Cao lattice and calculate the lattice energy of Cal given the following information. AH KD) Ca(s) + Ca(8) 193 Calg) - Cat (8) + e 590 Cat (8) - Cat (8) + e- 2 O(g) + O2(g) O(8) + e- O (8) -141 O (8) + e- O (8) 878 Ca(s) + O2(g) →...
The lattice energy of MgCl2 is the energy change for which one of the following processes? Mg(s) + Cl2(g) – +MgCl2(s) Mg?*(s) + 2Cl(s) — + MgCl2(g) Mg(g) + 2Cl(g) — MgCl2(s) Mg2*() + 2CFE) — MgCl2(s) MgCl2(aq) + MgCl2(5)
Which of the following is the reaction associated with the first ionization energy of nitrogen? A) N(g) → N+ + e- B) N(g) → N3+ + 3e- C) N(g) + 3e- → N3- D) N(g) → N- + e- E) N(g) + e- → N- chemistry
The reaction of calcium with nitrogen produces calcium nitride, as follows. 3 Ca(s) + N2(g) → Ca3N2(s) If the reaction is started with 2.31 mol Ca and 0.943 mol N2, find the following. (a) the limiting reactant (b) the excess reactant (c) the number of moles of calcium nitride produced What is the equation balanced also?
Question 10 1 pts Given the following thermodynamic data, calculate the lattice energy of CaBrz(s). Term Value (kJ/mol) AH°formation[CaBr2(s)] -675 AH sublimation Ca(g)] 178 AH Sublimation[Brz(s)] 31 AH°bond energy[Br2(g)] 194 IE(Ca) IE2(Ca) Ea(Br) 590. 1145 -325 Enter your answer in units of kJ.
The lattice energy of MgCl2 is the energy change for which one of the following processes? Mg(s) + Cl2(g) +MgCl2(s) Mg2+(s) + 2(g) MgCl2(8) Mg(g) + 2Cl(g) — MgCl2(s) Mg?*(e) + 2Cl(s) — MgCl2(s) MgCl2(aq) — MgCl2(s)
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...
Question 21 Which of the following is the favorable resonance form(s) of NCS? N= =S :: N—C=S: :n=—5: a and b are both favorable forms only a Question 23 For which of the following reactions is the energy change equal to the fourth ionization energy of a Carbon? c2+() - C3(E)+ 3+8)+ -c2+8) C(g) -C3+(g) + 3e <3+(8) -- 4+8)+