Water Flashcards

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1
Q

Water is a ______ molecule

A

Polar

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2
Q

Why is water a polar molecule?

A

Due to the uneven distribution of charges in the molecule

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3
Q

State the why there is an imbalance

A

Hydrogen atoms are partially positive whereas oxygen atoms are partially negative due to electronegativity. This causes one end of the molecule to be more positive than the other.

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4
Q

Water is a polar _______

A

Solvent

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5
Q

Why can other substances dissolve in water?

A

Due to most substances being polar, these substances can dissolve in water

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6
Q

What is one function of water?

A

To transport many biological molecules

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7
Q

Why does water have a high specific heat capacity?

A

The atoms in the water molecule are bonded by hydrogen bonds which is a relatively strong type of bonding.

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8
Q

What is specific heat capacity?

A

It is the heat energy needed to raise 1kg of a molecule to 1 degree Celsius

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9
Q

What will happen due to water having a high specific heat capacity?

A

A lot of energy will be required to increase the temperature of water. This minimises the temperature in the living things around it.

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