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Artist 52 [7]
3 years ago
9

Which natural polymer makes up paper? A. starch B. nylon C. wool D. rubber

Chemistry
1 answer:
eduard3 years ago
7 0

Answer:

starch

Explanation:

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How many moles of Cl in 38.5 mol of CCl2F2?
Gennadij [26K]

Answer:

77 moles

Explanation:

The given chemical compound is CCl2F2 is called Dichlorodifluoromethane. In CCl2F2, we have:

one mole of a Carbon atom.

two moles of Chlorine atom; &

two moles of Fluorine atom.

Given that one mole of Chlorine = 38.5 moles.

Then, two moles will be:

= 2 × 38.5 moles

= 77 moles

5 0
2 years ago
How many molecules are in 3.40L of H2O vapor at STP?*
DochEvi [55]

Answer:

9.14 x 10^22 molecules

Explanation:

8 0
2 years ago
if you could place a piece of solid silver into a container of liquid silver, would it float or sink? Explain your answer
olga55 [171]
Liquid silver is less dense than solid silver, so the solid silver would sink.
5 0
3 years ago
Read 2 more answers
Pls i need help with this
gregori [183]

Answer:

C

Explanation:

A physical change is one in which no new substance is formed. The moistening of food by saliva is purely a physical change because no new substance is formed in the process.

A chemical change leads to the formation of a new substance. The action of the enzyme converts starch into sugar which means that a new substance is formed. This is a chemical change.

5 0
2 years ago
Which solution when mixed with a drop of bromthymol blue will cause the indicator to change from blue to yellow
Arisa [49]
Hello!


bromothymol blue in aqueous solution gives a yellow color.


<span>I hope I helped you</span>

6 0
3 years ago
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