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Lattice enthalpies and born haber cycles

Last updated over 1 year ago

12 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Born Haber cycles to label and values to calculate

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Complete the Born Haber cycle for NaCl

Mmuae Afoforo a Wobɛpaw:

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null

null

null

null

null

null

null

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Mmuae Afoforo a Wobɛpaw:

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null

null

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

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Sign = (Note the value you have been asked to calculate.

value = kJMol^-1

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

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Calculate the lattice enthalpy.

sign =

value = kJmol^-1

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

null

Sign =

Value = kJ mol^-1

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Calculate the electron affinity of Iodine

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Sign =

Value = kJ mol^-1(hint 100 pies).

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

Calculate the enthalpy of atomisation of Cu

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sign

Value = kJ mol^-1

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

Calculate the enthapy of formation of CoCl

null

Sign =

value = kJ mol^-1(Hint think of a sale).

Asemmisa {{asɛmmisaAhyɛnsode}}

9.

Calculate the enthalpy of formation of of COCl₂

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Sign

Value = kJ mol^-1(hint why cannibal number 2 go to prison and cannibal 6 go to heaven)?

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Calculate the enthalpy of formation of CoCl₃

null

sign =

value = kJ moldm^-1

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Use these values to explain why CoCl does not occur as a stable compound.

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Use these values to explain why CoCl₂ is the most stable compound