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trasher [3.6K]
3 years ago
14

Help Plzzz. (will vote brainliest)

Chemistry
2 answers:
erik [133]3 years ago
8 0

Answer:

<u>The two different celestial bodies:</u>

There about eight planets inside the solar system, as the different planets and stars hold greater significance inside the system when it comes to there position inside the solar system. While, the distances of the planets from the Sun inside the solar system also plays a great value and holds different properties with respect to each other.

  • Mercury is considered as the planet which is the most closest of all the planets to the sun inside the solar system. As it gains more amount of energy, resulting from a higher level of exposure to the Sun's ultraviolet rays. Now, the temperature,T of the planet is far much higher then any other planet inside the solar system, just because its surface receives the much high level of UV lights from the red giant.Mars is far hot for any living life to spend on it, as the planet lacks any back up for the objects to shield itself from any foreign entities or any amount of energy.
  • While, the Earth is far away from the Sun to receive the optimum level of heat from the Star inside the solar system. As earth has much distance to cover for the sunlight to reach it. Along, with which the Earth has a set of layers to shield itself from any Ultra violet rays coming from the star in the middle of the solar system. The temperatures,T value of the Earth is far less and is able to sustain life on the planet. And that is also due to the balance formed of energy,E levels in the layers of the planet.

kupik [55]3 years ago
5 0
The difference would be that Mercury has a denser, warmer atmosphere and Earth has a not that dense and gassy atmosphere. The Earth's atmosphere also has a lot of layers while Mercury's doesn't. Those would be the reasons for them both being different. Hope this helped!
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A gas exerts a pressure of 0.62 atm. Convert this to kPa and mmHg. Be sure to show your work.
IRINA_888 [86]

Answer:

The answer to your question is 0.62 atm = 62.82 kPa = 471.2 mmHg

Explanation:

Data

P = 0.62 atm

P = ? kPa

P = ? mmHg

Process

1.- Look for the conversion factor of atm to kPa and mmHg

 1 atm = 101.325 kPa

1 atm = 760 mmHg

2.- Do the conversions

                  1 atm ----------------- 101.325 kPa

                  0.62 atm ------------  x

                   x = (0,62 x 101.325) / 1

                  x = 62.82 kPa

                   1 atm ------------------ 760 mmHg

                   0.62 atm ------------  x

                   x = (0.62 x 760)/1

                   x = 471.2 mmHg                

4 0
3 years ago
5. A box with a volume of 22.4 L contains 1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C. Which of the following statements
love history [14]

B. The partial pressure of N2 is 101 kPa

<h3>Further explanation</h3>

Given

volume = 22.4 L

1.0 mol of nitrogen and 2.0 mol of hydrogen at 0°C

Required

Total pressure and partial pressure

Solution

Ideal gas law :

PV = nRT

n total = 3 mol

T = O °C + 273 = 273 K

P = nRT/V

P = 3 x 0.08205 x 273 / 22.4

P total = 3 atm = 303,975 kPa

P Nitrogen = 1/3 x 303.975 = 101.325 kPa

P Hydrogen = 2/3 x 303.975 = 202.65 kPa

7 0
3 years ago
Compared to the charge of a proton, the charge of all electron has
Kay [80]
<span>Answer: option (4) the same magnitude and the opposite sign.
</span>
Justification:
<span /><span /><span>
</span><span>1) Electrons are negative particles thar are around the nucleus of the atom (in regions called orbitals).
</span>
<span /><span /><span>
2) Protons are positive particles that are inside the nuclus of the atom.
</span><span />

<span>3) The nucleus of the atom has the same number of protons as electrons are in the orbitals of the atom.
</span>
<span /><span /><span>
4) The atoms are neutral (neither positive nor negative) because there are the same number of electrons and protons and their charge are of the same magnitude but different sign: (+) + (-) = 0: positive + negative = neutral.</span>
6 0
3 years ago
Read 2 more answers
If steel (a metal) is hard and granite (a nonmetal) is hard, why don’t we make automobile engines out of granite?
Charra [1.4K]
Because. just because.
4 0
3 years ago
Other than reducing greenhouse gas emissions, why would an entity switch to an alternative energy solution
Alika [10]

Answer:

renewable energy sources such as solar and wind DONT emit carbon dioxide and other greenhouse gases that contribute to global warming

Explanation:

8 0
2 years ago
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