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Ann [662]
3 years ago
6

Burt's mother asked him to use a spoon to stir the stew that was cooking on the stove. Which spoon will stay the coolest while h

e stirs and why?
Question 9 options:

An aluminum spoon because it can only be heated by radiation.


An iron spoon because it is a strong conductor of heat.


A wooden spoon because it is an insulator.


A silver spoon because it is an insulator.
Chemistry
1 answer:
Lerok [7]3 years ago
7 0

Metals are good conductors of heat and electricity

Metals are good conductors due to presence of free electrons

They act as carrier to conduct heat or electricity.

So

Aluminum spoon will heat up as it is of metal

Iron spoon will heat up as it is of metal

Silver spoon will also heat up as it is of metal

Wood is a bad conductor of heat. It is an insulator

Wood has air space or pockets in its structure which makes it a bad conductor (it cannot conduct heat)

So a wooden spoon will be stay coolest as it is an insulator

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Answer:

Yes

Explanation:

Why is glycerol more viscous than water?

The glycerine is more viscous than water because due to presence of hydrogen atoms , we all know that glycerine has more hydrogen bonding than water molecule , which makes an aggregation which means that glycerine is more viscous than water , in simple words glycerine can't flow as that of water molecule.

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How many moles are in 16.94g of water?
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Ipatiy [6.2K]

Answer: (Structure attached).

Explanation:

This type of reaction is an aromatic electrophilic substitution. The overall reaction is the replacement of a proton (H +) with an electrophile (E +) in the aromatic ring.

The aromatic ring in p-fluoroanisole has two sustituents, an <u>halogen</u> and a <u>methoxy group</u>, which are <em>ortho-para</em> directing substituents.

Aryl sulfonic acids are easily synthesized by an electrophilic substitution reaction aromatic using <u>sulfur trioxide as an electrophile</u> (very reactive).

The reaction occurs in three steps:

  1. The attack on the electrophile forms the sigma complex.
  2. The loss of a proton regenerates an aromatic ring.
  3. The sulfonate group can be protonated in the presence of a strong acid (H₂SO₄).

Normally, a mixture of <em>ortho-para</em> substituted products would be obtained. However, since both <em>para</em> positions are occupied, only the <em>ortho </em>substituted product is obtained here.

8 0
3 years ago
When an atom loses electrons it becomes___
murzikaleks [220]
<span>It becomes an </span>ion<span>. An atom that gains a negative electron, it becomes a negative </span>ion<span>. If it loses an electron it becomes a positive </span>ion<span>.</span>

Hope this helps!

8 0
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I believe the answer is

At the moment it is the best way of explaining our scientific knowledge.


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