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10-06-2021
Chemistry

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I have a exam please answer fast

I have a exam please answer fast class=

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10-06-2021

Answer:

C

[tex] \triangle \: H {}^{ \theta} _{s} = lattice \: energy + hydration \: energy \\ = + 2526 + ( - 2003 + (2 \times - 340)) \\ + 2526 - 2683 \\ = - 157 \: kjmol {}^{ - 1} [/tex]

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