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kirza4 [7]
3 years ago
7

HELP ME PLEASE!!!! I NEEDZ HELP!!!

Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
3 0
It goes Meter mega meter giga meter and kilometer
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Name two ways in which carbon dioxide is added to the troposphere.
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Answer:

Carbon dioxide is added to the atmosphere through cellular respiration and the combustion of fossil fuels

Explanation:

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3 years ago
Express the following number in scientific notation: 0.000000675.
tekilochka [14]
There are 7 digits from decimal to 1st digit, and it's coming from right, so exponent will be in negative 7

In short, Your Answer would be: Option C) <span>6.75 × 10-7
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6 0
4 years ago
Which drawing best accounts for the polarity of methanol, CH3OH, and the bond polarities that make a major contribution to the o
Viefleur [7K]

The question is incomplete, the question is;

Which drawing best accounts for the polarity of methanol, CH3OH, and the bond polarities that make a major contribution to the overall molecular polarity?

A) drawing (1)                                  B) drawing (2)

D) drawing (4)                                  C) drawing (3)

Answer:

   B) drawing (2)

Explanation:

In Chemistry, the direction of dipole is shown from positive end to negative end.

The image that contains the options in the question asked has been attached.

We can see in image 2 that the oxygen atom was correctly designated as the negative end of the dipole while the carbon and hydrogen atoms were each designated as positive ends of the dipole in accordance with the magnitude of electronegativity difference between the two atoms. The net dipole moment is now taken in the direction shown in image 2. This is the correct answer.

3 0
3 years ago
10. What base unit of measurement is common to all systems?
Lera25 [3.4K]

Answer:

The SI system , also called theatrics system, is used around the world

5 0
3 years ago
The terms dilute and concentrated referred to the ____ of a solution
valentina_108 [34]

Answer:

The correct answer is A) Concentration. See the explanation below, please.

Explanation:

We refer to concentration on the ratio between solute and solvent of a chemical solution. In the case of a more dilute solution, there is a higher proportion of solvent than solute and the opposite occurs in a concentrate.

7 0
3 years ago
Read 2 more answers
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