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Author Question: Solid KF has a lattice energy of 804 kJ/mol and a heat of solution (in water) of 15 kJ/mol. RbF has ... (Read 86 times)

jc611

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on: Mar 21, 2021

Question 1

Shaving cream is an example of which colloid type?

◦ Aerosol
◦ Foam
◦ Emulsion
◦ Sol
◦ Coagulate

Question 2

Solid KF has a lattice energy of 804 kJ/mol and a heat of solution (in water) of –15 kJ/mol. RbF has a lattice energy of 768 kJ/mol and a heat of solution (in water) of –24 kJ/mol. Which salt forms stronger attractions with water?

◦ KF, since it has a larger lattice energy.
◦ RbF, since it has a smaller lattice energy.
◦ KF, since it has a more negative heat of hydration.
◦ RbF, since it has a more negative heat of hydration
◦ They form equally strong attractions with water, since they both have negative heats of mixing.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by jc611 on Mar 21, 2021

zenzy

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jc611

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Reply 2 on: Mar 21, 2021
Excellent

mcabuhat

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Reply 3 on: Yesterday
Gracias!

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