WATER AND CARBON CYCLE - Properties of Water Flashcards

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1
Q

What are the three states of water?

A

Solid, liquid and gas.

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2
Q

Sublimation

A

Process of a solid turning to gas.

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3
Q

Deposition

A

Process of a gas turning to a solid.

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4
Q

Melting

A

Process of a solid turning into a liquid.

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5
Q

Freezing

A

Process of a liquid turning into a solid.

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6
Q

Evaporation

A

Process of a liquid turning into a gas.

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7
Q

Condensation

A

Process of a gas turning into a liquid.

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8
Q

Fusion

A

When a solid becomes a liquid.

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9
Q

Vaporisation

A

When a liquid becomes a gas.

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10
Q

What bond does water have?

A

Strong hydrogen bonds.

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11
Q

What is the result of strong hydrogen bonds of water?

A

Water has a high surface tension. It can hold itself together as a drop rather than spreading out as a film. Animals use property to move along surfaces eg. Pond skater. Water can be taken up plant stem.

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12
Q

Due to strong hydrogen bond of water what is required for phase change?

A

Lots of energy.

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13
Q

Latent Heat - evaporation

A

Water molecules heated by sun become agitated and try to break bonds between them. Not enough heat in sun to do this. So water molecules absorb energy from surroundings to give them final energy needed to break bonds. Energy is latent heat. As latent heat taken from surroundings it cools surroundings down.

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14
Q

Latent Heat - condensation

A

During condensation, latent heat is released by water molecules as they slow down and join together. This adds heat to surroundings so is a warming process.

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