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Kitty [74]
2 years ago
7

Allen wants to make a box to keep foods hot. What material would be best for him to use in his box?

Chemistry
2 answers:
ser-zykov [4K]2 years ago
7 0

Answer:my answer  is correct

Explanation:

klio [65]2 years ago
4 0

Answer:

C

Explanation:

my quiz said so

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Option 3 using forest land to build homes
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Which chemical weathering process is caused by oxygen and water acting on iron?
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The process of chemical weathering by oxygen and water on iron is known as rusting........rust is a loose reddish brown layer of hydrated ferric oxide(Fe2O3.H2O)
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2 years ago
When a substance is heated ,the kinetic energy of its molecules
Simora [160]

Answer:

When a substance is heated ,the kinetic energy of its molecules also increase.

Explanation:

K.E is directly proportional to T

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The image formed by a lens may be real or virtual. The image formed by a lens is always virtual.
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There are types of lens; concave and convex lens.
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What compound is formed when 2,2-dimethyloxirane (2-methyl-1,2-epoxypropane) is treated with ethanol containing sulfuric acid
vladimir1956 [14]

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2-ethoxy-2-methylpropan-1-ol

Explanation:

On this reaction, we have an "<u>epoxide"</u> (2-methyl-1,2-epoxypropane). Additionally, we have <u>acid medium</u> (due to the sulfuric acid H_2SO_4). The acid medium will produce the <u>hydronium ion</u> (H^+). This ion would be attacked by the oxygen of the epoxide. Then a <u>carbocation</u> would be produced, in this case, the most stable carbocation is the <u>tertiary one</u>. Then an <u>ethanol</u> molecule acts as a nucleophile and will attack the carbocation. Finally, a <u>deprotonation </u>step takes place to produce <u>2-ethoxy-2-methylpropan-1-ol</u>.

See figure 1

I hope it helps!

3 0
3 years ago
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