C11 - greenhouse gases Flashcards

1
Q

Name 3 greenhouse gases?

A

Carbon dioxide
Methane
Water vapour

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2
Q

What causes less carbon dioxide to be removed from the air?

A

Deforestation. More trees cut down for timber and land = less CO2 removed from the air = photosynthesis is reduced

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3
Q

What makes the oceans less effective?

A

Temperature rises = CO2 less soluble in water = makes oceans less effective because ‘CO2 sinks’

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4
Q

Why is there an increase in methane in the air?

A

More animal farming = more emissions and decomposing waste

Increased waste so more decomposition in landfill sites

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5
Q

Effects of global climate change?

A
  1. Frequent and severe storms
  2. Changes in temperature and distribution of rainfall
  3. Rising sea levels = melting ice caps = flooding
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6
Q

Difference between portable water and pure water?

A

Portable water: contains dissolved impurities

Pure water: High level of salts and microbes = dangerous for humans to drink

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7
Q

What is a formulation?

A

Mixture that has been designed to do something useful. Formed by mixing together several different substances in carefully measured quantities

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8
Q

Equation for mol

A

Mass
————
Mr X mol

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