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cestrela7 [59]
3 years ago
14

Which of the following example(s) from everyday life are made possible by modern chemistry?

Chemistry
2 answers:
lorasvet [3.4K]3 years ago
7 0

Answer:

I believe it is c

Explanation:

........................

Tpy6a [65]3 years ago
5 0

Answer:

It’s B and C

Explanation:

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In one compound of lead and sulfur, there are 6.46 g of lead
timurjin [86]

Answer:

Lead to Sulfur = 2 : 1

Explanation:

Given

Represent lead with L and Sulfur with S

L1 = 6.46g for S1 = 1 g

L2= 3.23g for S2 = 1 g

Required

Determine the simple whole number ratio of L to S

Divide L1 by L2

L = L1/L2

L = 6.46g/3.23g

L = 2

Divide S1 by S2

S = 1g/1g

S = 1

Represent L and S as a ratio:

L : S = 2 : 1

Hence, the required ratio of Lead to Sulfur is 2 to 1

4 0
3 years ago
A gas has a volume of 590 ml at a temperature of -55.0°C. What volume will the gas occupy at 30.0°C?
Alexeev081 [22]

819 ml is the volume the gas will occupy at 30.0°C.

Explanation:

Data given:

initial volume of the gas V1 = 590 ml

initial temperature of the gas T1 = -55 degrees OR 218.15

final volume of the gas V2 = ?

final temperature of the gas T2 = 30 degrees OR 303.15

Charles' Law equation is used to calculate the volume of gas at 30 degrees from the data given in the question.

\frac{V1}{T1}= \frac{V2}{T2}

V2 = \frac{V1T2}{T1}

V2 = \frac{590 X 303.15}{218.15}

V2 = 819 ml

The final volume of the gas would be 819 ml.

6 0
4 years ago
The name 3-chloro-2-propylbutane is not an accepted name for the compound described. what would be the correct name for this com
Illusion [34]
The longest hydrocarbon chain in the given compound is hexane, therefore it is the parent chain to be considered with one methyl group attached to the 3rd carbon and one chloro attached on the 2nd carbon, therefore the name of the compound is 2-chloro-3-methylhexane
3 0
3 years ago
Who created the underlying technology utilized in nike
Ne4ueva [31]

Answer:

Rudy

Explanation:

6 0
3 years ago
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After three half-lives, what fraction of a radioactive sample remains? 1/8 1/3 1/2 1/6
Scilla [17]
1/8 got it from Yahoo answers and the answer was highlighted with 4 likes.... so most likely thats it
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3 years ago
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