HomeworkLib
Question

An ionic compound, MBr, has ΔE for (M+1/2Br2 => MBr) = -500 kJ/mol. Given the information...

An ionic compound, MBr, has ΔE for (M+1/2Br2 => MBr) = -500 kJ/mol. Given the information below, calculate its lattice energy.

M(s) => M(g) ΔE = +140 kJ/mol

M(g) => M+(g) + 1 e- ΔE = +500 kJ/mol

Br2(l) => 2Br(g) ΔE = +200 kJ/mol

Br(g) + 1 e- => Br-(g) ΔE = -325 kJ

IE1 of Br(g) = +1143 kJ/mol

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Miss + £11 ) MBriss At = Dissecration sublimation AH, 1. energy B9718) Lattice energy Alte affinity obil. ig, t 192 electronstep-l: several steps M > Man AE = +140 k5lmol (S) sublima from step-2 Mos mtl the aq=+500 kilmos ionizatim energy B2 - 2B9 A

0 0
Add a comment
Know the answer?
Add Answer to:
An ionic compound, MBr, has ΔE for (M+1/2Br2 => MBr) = -500 kJ/mol. Given the information...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Consider an ionic compound, MX2 composed of generic metal M and generic, gaseous halogen ?. The...

    Consider an ionic compound, MX2 composed of generic metal M and generic, gaseous halogen ?. The enthalpy of formation of MX2 is 사4°-_653 kJ/mol. The enthalpy of sublimation of M is dHsb = 1 17 kJ/mol. The first and second ionization energies of M are IE1-711 kJ/mol and IEz 1.370 x10 kJ/mol. The electron affinity of X is AHEA-321 kJ/mol. (Refer to the Hint). The bond energy of X2 is BE 173 kJ/mol. Determine the lattice energy of MX2 Number...

  • Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. •...

    Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. • The enthalpy of formation of MX, is AH; = -989 kJ/mol. • The enthalpy of sublimation of M is AH sub = 131 kJ/mol. • The first and second ionization energies of M are IE1 = 615 kJ/mol and IE2 = 1392 kJ/mol. • The electron affinity of X is AHEA = -303 kJ/mol. (Refer to the hint). • The bond energy of X,...

  • Calculate the lattice energy of CaBr2. The standard heat of formation of CaBr2 is -675 kJ/mol....

    Calculate the lattice energy of CaBr2. The standard heat of formation of CaBr2 is -675 kJ/mol. The first ionization energy of Ca is 590 kJ/mol and its second ionization energy is 1145 kJ/mol. The heat of sublimation of Ca[Ca(s)→Ca(g)] is 178 kJ/mol. The bond energy of Br2 is 193 kJ/mol, the heat of vaporization of Br2(l) is 31 kJ/mol, and the electron affinity of Br is -325 kJ/mol.

  • Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The...

    Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The enthalpy of formation of MX2 is ΔHf° = –889 kJ/mol. The enthalpy of sublimation of M is ΔHsub = 161 kJ/mol. The first and second ionization energies of M are IE1 = 613 kJ/mol and IE2 = 1431 kJ/mol. The electron affinity of X is ΔHEA = –329 kJ/mol. (Refer to the Hint). The bond energy of X2 is BE = 239 kJ/mol. Determine...

  • Determine the lattice energy of MX2. Consider an ionic compound, MX2, composed of generic metal M...

    Determine the lattice energy of MX2. Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The enthalpy of formation of MX2 is ΔH∘f=−681 kJ/mol. The enthalpy of sublimation of M is ΔHsub=145 kJ/mol. The first and second ionization energies of M are IE1=607 kJ/mol and IE2=1444 kJ/mol. The electron affinity of X is ΔHEA=−315 kJ/mol. The bond energy of X2 is  BE=247 kJ/mol. Determine the lattice energy of MX2. I've been stuck on this question...

  • Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The...

    Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X. The enthalpy of formation of MX2 is ΔH∘f=−831 kJ/mol. The enthalpy of sublimation of M is ΔHsub=129 kJ/mol. The first and second ionization energies of M are IE1=691 kJ/mol and IE2=1401 kJ/mol The electron affinity of X is ΔHEA=−307 kJ/mol. The bond energy of X2 is BE=153 kJ/mol. Determine the lattice energy of MX2. ΔHlattice=ΔHlattice= kJ/mol

  • Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X.The enthalpy...

    Consider an ionic compound, MX2, composed of generic metal M and generic, gaseous halogen X.The enthalpy of formation of MX2 is ΔHf° = –915 kJ/mol. The enthalpy of sublimation of M is ΔHsub = 123 kJ/mol. The first and second ionization energies of M are IE1 = 789 kJ/mol and IE2 = 1383 kJ/mol. The electron affinity of X is ΔHEA = –351 kJ/mol. (Refer to the Hint). The bond energy of X2 is BE = 191 kJ/mol.Determine the lattice...

  • calculate the lattice energy of NaCl based on the given information : ΔH°f[NaCl(s)] = -411 kJ/mol...

    calculate the lattice energy of NaCl based on the given information : ΔH°f[NaCl(s)] = -411 kJ/mol ΔH°f [Clg] = 121.5 kJ/mol ΔH°sublimation [Na] = 109 kJ/mol IE1 (Na) = 496 kJ/mol EA1 (Cl) = -349 kJ/mol

  • Given the information below, determine the lattice energy for the fictitious ionic compound ZX 3, where...

    Given the information below, determine the lattice energy for the fictitious ionic compound ZX 3, where Z is a metal with a change of +3 and X is a nonmetal with a charge of -1. ΔH sublimation(Z) = 195 kJ/mol BE (X2) = 320 kJ/mol IE 1 (Z) =433 kJ/mol EA1(x) = -298 kJ/mol IE2 (Z) = 678 kJ/mol EA 2(X) = -591 Kj/mol IE3 (Z) =1291 kJ/mol ΔH ° (ZX3) = 661 kJ/mol

  • 1.2. Consider a hypothetical ionic compound AB (comprised of At and B ions). Given the following...

    1.2. Consider a hypothetical ionic compound AB (comprised of At and B ions). Given the following enthalpy data and using a Born-Haber cycle calculation, predict AHlattice in kJ mol1. AB (s) A,H = -422 kJ mol-1 A (s) B (s) A (g) AH = 105 kJ mol1 A (s) B (g) A,H = 109 kJ mol-1 B (s) First ionization energy of A (gas phase) = 530 kJ mol1 -379 kJ mol-1 Electron affinity of B (taking into account it's...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT