chemistry

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What is the formula for calculating the rate of a reaction?
Amount of product formed divided by time taken.
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How can you speed up the rate of a reaction?
increase temperature, use a catalyst, greater surface area.
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How can you reduce costs of industrial reactions?
use catalysts.
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What does nano science refer to?
structures that are 1-100mm in size a few hundred atoms.
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What do nanoparticles have?
highvsurface area to volume ratio.
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What can nanoparticles lead to the development of?
new computers/ highly selective sensors, cosmetics such as sun tan.
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Where is energy transfered when chemical reactions take place?
Energy is transfered to or from surroundings.
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Can you name 2 chemical reactions that transfer energy to the surroundings?
combustion, neutralisation, self heating cans.
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Can you give to examples of chemical reactions that take heat from the surroundings?
thermal decomposition, sports injury packs.
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Card 2

Front

How can you speed up the rate of a reaction?

Back

increase temperature, use a catalyst, greater surface area.

Card 3

Front

How can you reduce costs of industrial reactions?

Back

Preview of the front of card 3

Card 4

Front

What does nano science refer to?

Back

Preview of the front of card 4

Card 5

Front

What do nanoparticles have?

Back

Preview of the front of card 5
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