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yanalaym [24]
3 years ago
13

The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change

Chemistry
1 answer:
KiRa [710]3 years ago
7 0

Answer:

The molecules move slower than the temp of 50°c and their average kinetic energy decreases.

Explanation:

kinetic energy cannot increase as temperature is reduced. molecules will still move with reduced motion.

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Answer:

pH = 8.314

Explanation:

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equil:   S               S         3S

∴ Ksp = [ Y+ ] * [ OH- ]³ = 6.0 E-24

⇒ 6.0 E-24 = ( S )*( 3S )³

⇒ 6.0 E-24 = 27S∧4

⇒ 2.22 E-25 = S∧4

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⇒ S = 6.866 E-7 M

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⇒ pOH = - Log ( 2.06 E-6 )

⇒ pOH = 5.686

∴ pH = 14 - pOH

⇒ pH = 8.314

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