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1. write the balanced symbol equation for N2+H2-->NH3
- N+H-->NH
- N2+3H2-->2NH3
- N2+H2-->N2H2
- N2+H2-->NH4
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2. The energy is faeces can be used by other organisms, describe how?
- used as manure
- broken down by decomposers such as beetles or insects
- eaten by animals
- eaten by decomposers
3. Why is a catalyst used for?
- gives reduced yield
- speeds reaction
- high pressure
- higher rate of reaction
4. why is high pressure needed?
- makes the temperature higher
- reduces activation activity
- increases of yield
- speeds up reaction
5. Write about biochemical adaptations to very cold climates.
- The smaller the plant the less energy is needed so more can be spent on specific parts of the plants
- contain enzymes with lower optimum temperatures but cells do not freeze as freezing would damage cells
- larger leaves absorb more sunlight
- enzymes spread easier on smaller surface areas
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