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soldier1979 [14.2K]
3 years ago
11

Diffusion of nonpolar molecules would not be affected by

Chemistry
1 answer:
wariber [46]3 years ago
7 0
 +molecule size +steepness of the concentration gradient +temperature + steepness of the electric gradient +steepness
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Đơn chất nào sau đây tác dụng với dung dịch axit sunfuric loãng sinh ra khí ?
viva [34]

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C. Al

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In the absence of air a penny and a feather that are dropped from the same height at the same time will
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Have the same acceleration/reach the ground at the same time.

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The excretory system consists of which of the following organs?
nirvana33 [79]
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3 0
4 years ago
Diluting concentrated 1.74M acetic acid to prepare 200 ml of 8M stick solution. What volume of concentrated acid must be used
TiliK225 [7]
<h3>Answer:</h3>

43.5 mL

<h3>Explanation:</h3>

We are given;

  • Molarity of dilute acetic acid is 1.74 M
  • Volume of the solution that needs to be prepared is 200 mL
  • Molarity of the stock solution 8 M

We are required to determine the volume of acid that must be used.

  • We need to know the dilution formula;
  • According to the dilution equation;

M1V1 = M2V2

Rearranging the formula;

V1 = M2V2 ÷ M1

   = (1.74 M × 200 mL) ÷ 8 M

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Therefore, the volume of the concentrated acid that must be added is 43.5 mL

6 0
4 years ago
Select the correct answer.
ser-zykov [4K]

Answer:

Correct option is B. It shows the ratio of elements in the compound.

Explanation:

Empirical formula is the simplest form of the chemical formula. It shows the simplest ratio of atoms in compounds. It is determined by %age of each element.

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3 years ago
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