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butalik [34]
2 years ago
11

Gas Giant Planets Rocky Small Solar System Star Sun

Chemistry
1 answer:
Fiesta28 [93]2 years ago
3 0
The planets and the sun form the solar system. The sun is an enormous star. The planets move around the sun. Mercury,Venus,earth, and Mars are the four small rocky planets. Jupiter, Saturn, Uranus, and Neptune are the four giant gas planets
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Is atmosphere nitrogen denser than pure nitrogen​
marusya05 [52]

Answer:

Atmospheric nitrogen is not heavier than chemical nitrogen, largely because “chemical nitrogen” is ultimately derived from atmospheric nitrogen. On the other hand, you could be asking why the atomic mass of nitrogen is not the same as the mass of nitrogen gas; that's because gaseous nitrogen is diatomic, .

Explanation:

This is from Google.

Hope this helps :))

7 0
3 years ago
What is the mole fraction, x, of solute and the molality, m (or b), for an aqueous solution that is 19.0% naoh by mass?
Bond [772]
We will assume that the solvent is water. So, if we have 100 grams of the solution, 19 grams will be sodium hydroxide, while the remaining 81 grams will be water.

The molar weight of sodium hydroxide, NaOH, is 40. The molar weight of water is 18. Finding the moles of each:

NaOH:
19 / 40 = 0.475

Water:
81 / 18 = 4.5

Total moles present:
4.5 + 0.475 = 4.975 moles

The mole fraction of NaOH is:
0.475 / 4.975 = 0.0955

The mole fraction of NaOH is 0.0955
5 0
3 years ago
5. Which of the following statements is not true?
vladimir1956 [14]

i believe the answer is...

Atoms of isotopes of an element have different numbers of protons.

4 0
3 years ago
Read 2 more answers
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Pb and H+ in the bal
Tanzania [10]

Answer:

kujgedyjmnyged\jmngv\gedkjmyten

Explanation:

8 0
3 years ago
15. When traveling through a smoke-filled area, a person must be able
maxonik [38]

When traveling through a smoke-filled area, a person must be able to have distance of at least 4 feet in order to safely reach a fire exit. That is option C.

<h3>What is a smoke-filled area?</h3>

Smoke-filled area is an enclosed area that is filled with smoke gas that is usually made up of carbon monoxide.

The smoke-filled area is usually caused by

  • Fire out break

  • Burning of plastics or chemical products

  • Release of fuming gases.

When there is smoke-filled area die to fire out break, there are some guidelines to follow to safely reach the fire exit early enough.

The importance of these guidelines include the following:

  • enable rescuers to navigate a scene more quickly,

  • identify risks and hazards,

  • locate safety points,

  • determine the safest way in and out of a building, and

  • map out evacuation routes.

The affected individual should get down and crawl while taking short breath through the nose because cleaner air is nearest to the floor.

Learn more about distance here:

brainly.com/question/7243416

#SPJ1

5 0
2 years ago
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