Water Flashcards

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1
Q

why is water a polar molecule

A

The electrons are shared unequally within the bonds that hold a water molecule together.

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2
Q

why is water a good solvent?

A

water is a good solvent because it can form hydrogen bonds and other other polar molecules or charged ionic conpounds

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3
Q

why is water referred to as a “universal solvent”?

A

Water dissolves more substances than any other liquid.

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4
Q

What is an advantage of water being a good solvent?

A

Blood consists mostly of water which is able to dissolve hydrophilic molecules such as glucose, ions and some amino acids.

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5
Q

Why has water got a high latent heat of evaporation?

A

Because a lot of energy is used to convert water from a liquid to a gas.

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6
Q

What is an advantage of water having a high latent heat of evaporation?

A

Makes us feel cooler when we sweat, since the evaporation of water from our skins surface takes a lot of heat energy with it

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7
Q

Why does water have a high specific heat capacity?

A

All those hydrogen bonds within water are great at absorbing energy, which means you have to add a lot of it to heat water up.

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8
Q

Why is a high specific heat capacity of water useful for marine life?

A

Bodies of water are fairly resistant to changes in temperature, making it a stable habitat in which to live.

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