3 years ago

How is the size of silver nanoparticles different from normal sized silver?

1 answer:

7 0

When it comes to nanoparticles, their size is what gives them their special properties. For example, silver nanoparticles have longer-lasting antibacterial properties than bigger particles of silver. Nanoparticles can be made of many different substances.

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4. The solubility of acetanilide in hot water is 5.5 g / 100 mL at 100oC and its solubility in cold water is 0.53 g / 100 mL at

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Answer:

89,4%

Explanation:

If you have a solutio of 2,5g of acetanilide in 50mL of water and you warm this solution to 100°C you will dissolve all acetanilide because the maximum solubility in 50mL will be:

5,5g / 100mL → 2,75g / 50mL.

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2,5g - 0,265g = 2,235g of acetanilide

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