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Vedmedyk [2.9K]
3 years ago
11

Which compound is expected to exhibit hydrogen bonding forces?

Chemistry
1 answer:
Likurg_2 [28]3 years ago
7 0
A hydrogen bond<span> is the electrostatic attraction between two polar groups that occurs when a </span>hydrogen<span> (H) atom covalently bound to a highly electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F) experiences the electrostatic field of another highly electronegative atom nearby.  examples h20</span>
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___________tiny solid particles in interstellar space thought to consist of a core of rocklike material (silicates) or graphite
crimeas [40]

Answer:

Interstellar medium

Explanation:

The interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays.

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2 years ago
When Johann Schweigger invented the first galvanometer, what did he recognize could be used to measure current:"
lukranit [14]
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3 years ago
Kedrick and Kaleb train by pushing a sled that weighs 300 kg at an acceleration of 2m/s^2. What force did they push the sled wit
stiks02 [169]

Answer:

\boxed {\tt 600 \ Newtons}

Explanation:

Force can be found by multiplying the mass and the acceleration.

F=m*a

The mass of the sled is 300 kilograms and the acceleration is 2 meters per second squared.

F= 300 \ kg * 2 \ m/s^2

Multiply.

F= 600 \ kg * m/s^2

1 kilogram-meter per second squared is equal to 1 Newton. Therefore, 600 kilograms-meter per second squared is equal to 600 Newtons.

F= 600 \ N

The force used on the sled is 600 Newtons.

5 0
3 years ago
What is the concentration of O2(g), in parts per million, in a solution that contains 0.008 gram of O2(g) dissolved in 1000. gra
romanna [79]

Answer : The concentration of O_2 (g) in parts per million is, 8 ppm

Explanation : Given,

Mass of oxygen gas (solute) = 0.008 g

Mass of water (solvent) = 1000 g

First we have to calculate the mass of solution.

Mass of solution = Mass of solute + Mass of solvent = 0.008 + 1000 = 1000.008 g

Now we have to calculate the concentration of  O_2 (g) in parts per million.

ppm : It is defined as the mass of solute present in one million (10^6) parts by mass of the solution.

ppm=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 10^6

Now put all the given values in this expression, we get

ppm=\frac{0.008g}{1000.008g}\times 10^6=7.99=8ppm

Therefore, the concentration of O_2 (g) in parts per million is, 8 ppm

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