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VashaNatasha [74]
3 years ago
12

Which statement is true for dipole-dipole forces?

Chemistry
2 answers:
Zinaida [17]3 years ago
7 0
They occur between polar molecules
zhenek [66]3 years ago
5 0

Answer:

The last one is the answer

Explanation:

I did the test

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An atom with a full outer shell will be _______ than an atom with an incomplete outer shell.
skelet666 [1.2K]
B) They are less reactive
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I2 is an example of a
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number

Explanation:

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A buret was improperly read to 1 decimal place giving a reading of 27.2 mL. If the actual volume is 27.26 mL, what is the percen
Nezavi [6.7K]
Percent error can be calculated by the difference of the theoretical value and the measured value divided by the theoretical value multiplied by 100 percent. 

% error = 27.26 - 27.2 / 27.26 x100
% error = 0.22%

A value close to zero would mean that the measured value is more or less near the actual value.
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How many molecules are there in 560 grams of CoCl2?​
Marrrta [24]

Answer:

25.89  × 10²³ molecules

Explanation:

Given data:

Mass of CoCl₂ = 560 g

Number of molecules present = ?

Solution:

Number of moles of CoCl₂:

Number of moles = mass/molar mass

Number of moles = 560 g/ 129.84 g/mol

Number of moles = 4.3 mol

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ molecules

4.3 mol ×  6.022 × 10²³ molecules /1 mol

25.89  × 10²³ molecules

5 0
2 years ago
What color or colors of light are transmitted by a piece of yellow glass?
Artyom0805 [142]

Answer:

So combining blue with yellow light is like combining blue light with red and green light. The result of combining these three primary colors of light is to produce white light.

Explanation:

8 0
3 years ago
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