Water Flashcards

1
Q

How would you draw and label two bonded water molecules?

A

Each molecule should have two H (delta +), one O (delta -). They should be joined with a dashed line labelled H bond

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2
Q

What is attraction between water molecules called?

A

Cohesion

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3
Q

Water can absorb a lot of heat energy before its temperature increases. This feature is called:

A

High specific heat capacity

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4
Q

Water absorbs a large amount of heat energy while changing from liquid water to water vapour. This feature is called:

A

high latent heat of vaporisation

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5
Q

Which is denser, ice or water, and what is the significance to life?

A

Ice is less dense, meaning it floats and insulates water underneath

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6
Q

Why is water described as a universal solvent?

A

It can dissolve all polar/charged molecules

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7
Q

What does polar mean?

A

The molecule has a neutral charge overall, but different charges on different parts of the molecule

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