Answer:
Have some attraction towards each other
Explanation:
Gases deviate from the ideal gas behavior because their molecules have forces of attraction between them. At high pressure, the molecules of gases are very close to each other so the molecular interactions start operating and these molecules do not strike the walls of the container with full impact.
Hope this helps :-)
Have a great rest of your day or night!
Enjoy your studies and assignments
<3 simplysun
ps. I do not own any of these answers so please don't give full credit to me
Answer:
about 36.10 g
Explanation:
The proportion of interest is ...
mass/atoms = x/(1.810·10^24) = (12.0107 g)/(6.02214076·10^23)
Multiplying by 1.810·10^24, we find the mass of the sample to be ...
x = 36.0991 g
The mass of the sample is about 36.10 grams (to 4 s.f.).
If you would draw the Lewis structures of these atoms, you would see that A has 2 electron pairs and 2 lone electrons (that can bond). For B you’d see that you only have 1 electron that can form a bond. This means that 1 atom of A (2 lone electrons) can bond with 2 atoms of B. To know the kind of bond you have to know wether or not there will be a ‘donation’ of an electron from one atom to another. This happens when the number of electrons on one atoms is equal to the number of electrons another atom needs to reach the noble gas structure. As you can see, this is not the case here. This means that you get an AB2 structure with covalent character.
Answer:
Element and compounds are the pure substances but mixture is not a pure substance.
Explanation:
Element and compounds are the pure substances in which element comprise of only one atom while compound is formed by the chemical combination of more than one element in a fixed ratio by mass while mixture is also made up of more that one substances but they are combine physically not chemically. Elements, compounds, mixtures are very important because all the materials we used in our daily life are formed from elements, compounds and mixtures.
Answer:
Ba(OH)₂ requires more H₂SO₄ to reach neutralization..
Explanation:
- At neutralization, acid neutralize base to form salt and water at equivalence.
- NH₄OH is neutralized by H₂SO₄ according to the reaction:
<em>2NH₄OH + H₂SO₄ → (NH₄)₂SO₄ + 2H₂O.</em>
<em></em>
It is clear that every 2 mol of NH₄OH need 1 mol of H₂SO₄ to be neutralized.
- Ba(OH)₂ is neutralized by H₂SO₄ according to the reaction:
<em>Ba(OH)₂ + H₂SO₄ → BaSO₄ + 2H₂O.</em>
<em></em>
It is clear that every 1 mol of NH₄OH needs 1 mol of H₂SO₄ to be neutralized.
<em>So, Ba(OH)₂ requires more H₂SO₄ to reach neutralization.</em>
<em></em>
