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RideAnS [48]
3 years ago
8

Which of the following numbers is correctly rounded to three significant figures, as shown in brackets?​

Chemistry
1 answer:
vodomira [7]3 years ago
4 0

Answer:

D is correctly rounded to three significant figures.

Explanation:

A is incorrect because although it has 3 significant figures, it is rounded incorrectly. The correct answer would be 12,600.

B is incorrect because is rounded to 4 significant figures instead of three.

C is also incorrect because is rounded to 4 significant figures instead of three.

D is correctly rounded to three significant figures.

E is also incorrect because is rounded to 4 significant figures instead of three.

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stiv31 [10]

The volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

<h3>How to calculate volume?</h3>

The volume of a given gas can be calculated using the following Charle's law equation:

V1/T1 = V2/T2

Where;

  • T1 = initial temperature
  • T2 = final temperature
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  • V2 = final volume

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  • V2 = ?
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  • T2 = 450K

9/325 = V2/450

325V2 = 4050

V2 = 4050/325

V2 = 12.46L

Therefore, the volume of a gas that occupies 9 L at a temperature of 325K is 12.46L.

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Which linkages in starch and triglycerides result from condensation reactions? glycosidic bonds in starch and ester bonds in tri
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