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Alexandra [31]
3 years ago
6

問上面照片的題目,何者不是構成蛋白質的主要成分原素?

Chemistry
1 answer:
maxonik [38]3 years ago
8 0
What does this even say
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Forces between similar molecules are said to be
podryga [215]

Answer:

Forces between similar molecules are said to be <em>cohesive</em> while those between different types of molecules are said to be <em>adhesive</em>.

Water 'beads' due to its strong <em>cohesive</em> forces. The meniscus of water in a glass tube is <em>concave</em> because the <em>adhesive</em> forces are strong.

Explanation:

The water in a tube has stronger adhesive forces between the water and glass molecules, so the cohesive forces between water molecules are weaker. That makes the water 'ascend' through the tube, giving a concave form of the meniscus. Another example is mercury, which is the opposite. In this case, the cohesive forces are stronger than the adhesive ones, thus the meniscus is convex.

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3 years ago
Consider two gases, A and B, are in a container at room temperature.
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The rate of reaction would increase because as pressure increases the molecules are more likely to bump into each other leading to a more likely hood of the molecules colliding properly to react leading to an increase in the reaction rate of the substance.
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Put the substance in a 25 mL beaker.
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Answer: 1. Liquid

2. oily

3. no (not a solid)

Explanation:

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What is the electron configuration for helium (He)?
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Hello!

The electron configuration for helium is 1s2
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I think it is called a loess. Please correct me if I am wrong.

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