water- Flashcards

1
Q

what is water

A

a major component of cells.

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2
Q

What does water consists of

A

2 hydrogen atoms and a oxygen atom

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3
Q

why is water a dipolar molecule

A

because of the slight negative oxygen atom and the slightly positive atom it creates a positive pole and a negative pole making it a dipolar molecule.

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4
Q

what is the overall charge like in a water molecule

A

there is a uneven distribute of charges due to the negative oxygen and positive hydrogen hydrogen bonds forms between them.

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5
Q

what are the properties of water

A

high specific heat capacity, cohesion and surface tension, high latent heat of vapourisation

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6
Q

what is high specific heat capacity

A

water molecules stick together by hydrogen bond which mean that it requires lots of energy to break which makes water have a high heat capacity- very large range of tempreture= excellent medium for life on earth.

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