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Mamont248 [21]
3 years ago
7

Which of these ingredients is important in making plastics?

Chemistry
1 answer:
Goryan [66]3 years ago
3 0

Answer:

he main ingredient in most plastic material is a derivative from crude oil and natural gas. There are many different types of plastics – clear, cloudy, solid colour, flexible, rigid, soft, etc. Plastic products are often a polymer resin which is then then mixed with a blend of additives (See polymer vs. plastic).

~+lil more info +~

Plastics are made from natural materials such as cellulose, coal, natural gas, salt and crude oil through a polymerisation or polycondensation process. Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt and, of course, crude oil.

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8 0
3 years ago
Human reaction time is usually about 0.18 s. If your lab partner holds a ruler between your finger and thumb and releases it fro
Marizza181 [45]

Answer:

–0.16 m

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From the question given above, the following data were obtained:

Time (t) = 0.18 s

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H = ½gt²

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H = –0.16 m

Thus, the ruler will fall –0.16 m before you will catch it.

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