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yKpoI14uk [10]
4 years ago
9

Name a common greenhouse gas that only contains hydrogen and oxygen

Chemistry
1 answer:
Aleks [24]4 years ago
8 0
Water vapour H2O(g) is one of the most abundant greenhouse gases. I'm pretty sure it's the only one containing ONLY hydrogen and oxygen, according to what I know xD
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Cover echo de cobalto
Alex17521 [72]

Answer: que?

Explanation:

7 0
3 years ago
In the important industrial process for producing ammonia (the Haber Process), the overall reaction is: N2(g) + 3H2(g) → 2NH3(g)
irakobra [83]
Answer is: <span>B) -50.2 kJ.

Balanced chemical reaction: </span>N₂(g) + 3H₂(g) → 2NH₃(g) ΔH = -<span>100.4 kJ.
This is exothermic reaction, because heat is released and energy is include as product of chemical reaction.
Make proportion, two moles of ammonia released 100.4 kJ of heat, then one mole of ammonia released:
2 mol(NH</span>₃) : (-100.4 kJ) = 1 mol : ΔH.
ΔH = -50.2 kJ; <span>heat released per mole of NH</span>₃.
3 0
4 years ago
Check all the statements that are correct. Conservation of mass means:
Llana [10]

Conservation of mass means:

  • We must start and end with the same amount of matter
  • Matter cannot be created

<em>In a closed / isolated system, the total mass of the substance before the reaction will be equal to the total mass of the reaction product. </em>

<h3>Further explanation </h3>

In general, the reaction takes place in the open air. If the reaction results in the form of gas as in combustion, the mass of the reaction results will be smaller than the original mass. Or if the reaction binds to a larger than the environment then the reaction results will produce a greater mass than the original mass.

For example, in a paper combustion reaction the mass of combustion ash is smaller than the mass of paper that is burned because there is a gas released into the air

Conservation of mass applies to a closed system, where the masses before and after the reaction are the same

Let see the answer choices :

  • We can start a reaction with different types of elements than we have at the end of the reaction.

This statement is true, the elements in the reaction will also be found in the product, but in the form of other compounds

  • Matter cannot be created

Matter cannot be created nor destroyed by chemical reactions

This statement is true, because matter only changes or is rearranged

  • Matter can be destroyed in a chemical reaction

Incorrect statement

<h3>Learn more </h3>

Complete and balance the molecular equation

brainly.com/question/10575760

The law of conservation of matter

brainly.com/question/2190120

Lavoisier transforms the field of Chemistry

brainly.com/question/5310569

Keywords : matter,  Conservation of mass, chemical reaction,closed system

8 0
3 years ago
Read 2 more answers
The compound magnesium nitrate has the formula Mg(NO3)2.
Ludmilka [50]

Explanation:

Answer

Open in answr app

Correct option is

C

148

1 atom of Mg=1x24=24

2 atom of N=2x14=28

6 atom of O=6x16=96

Total mass=148

4 0
3 years ago
Why is it that the north star is the only star in the night sky that seems to stay still
Masja [62]

I think it is because it is directly about the north or south pole (I forget) so while all the other stars seem to rotate around because the Earth is rotating but the North Star is directly in the center. Don't take my word though.

8 0
4 years ago
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