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Natali [406]
3 years ago
6

Given each pair, complete the sentences to determine which member of each has the stronger intermolecular dispersion forces.

Chemistry
1 answer:
evablogger [386]3 years ago
3 0

Answer:

CH3CH2CH2Cl

CH3CH2CH2CH2CH2SH

Br2

Explanation:

Dispersion forces increases with increase in relative molecular mass. The specie having the greater relative molecular mass definitely has greater dispersion forces. A rough estimation of the relative molecular masses of the species stated in the answer will reveal this fact.

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Explanation:

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klasskru [66]

Answer:

The pH of the buffer solution = 8.05

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Using the Henderson - Hasselbalch equation;

pH = pKa₂ + log ( [HPO₄²-]/[H₂PO4⁻]

where pKa₂ = -log (Ka₂) = -log ( 6.1 * 10⁻⁸) = 7.21

Concentration of OH⁻ added = 0.069 M (i.e. 0.069 mol/L)

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