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MakcuM [25]
3 years ago
13

The gases listed are at standard temperature and pressure:

Chemistry
1 answer:
Len [333]3 years ago
4 0

Answer:

The volumes of 1 mol of CO, and 1 mol of N, gases are the same.

Explanation:

Equal volumes of gases have the same number of moles.

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rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied thi
MaRussiya [10]

Rutherford theorized that atoms have their charge concentrated in a very small nucleus.

This was famous Rutherford's Gold Foil Experiment: he bombarded thin foil of gold with positive alpha particles (helium atom particles, consist of two protons and two neutrons).  

Rutherford observed the deflection of alpha particles on the photographic film and notice that most of alpha particles passed straight through foil.

That is different from Plum Pudding model, because it shows that most of the atom is empty space.

According to Rutherford model of the atom:

1) Atoms have their charge concentrated in a very small nucleus.

2) Major space in an atom is empty.

3) Atoms nucleus is surrounded by negatively charged particles called electrons.  

4) An atom is electrically neutral.

6 0
2 years ago
Based on the periodic table why are be, bg, ca and sr in the same column/group/family?
Lesechka [4]

Answer:

The elements are in the same column/group IIA.

See the explanation below, please.

Explanation:

The elements Calcium, Strontium, Beryllium, Magnesium, Barium and Radio, belong to the group of alkaline earth metals located in group IIA of the periodic table, they require 2 electrons to complete their octet (they have 2 valence electrons). reagents than alkali metals.

7 0
3 years ago
Please help I will give brainliest!
Fiesta28 [93]

Answer:

b, H2O(s) r H2O(g)

Explanation:

entropy is heat, so increase in heat would mean water gets evaporated or melted, or both in this case. so the only choice above that showed increase in heat is from solid(ice) to gas(water vaper) due to increase in heat in the reaction.

7 0
2 years ago
If you subtract an objects starting velocity from its final velocity and divide by the time it took to change velocity, what are
amid [387]
Change in velocity over time is acceleration. 

You're finding acceleration . 
7 0
3 years ago
Round the following number to 3 significant figures:<br><br> 15937<br><br> pls helpppp
Dmitry_Shevchenko [17]

Answer:

15900

Explanation:

I think hope this helps!! :D

6 0
3 years ago
Read 2 more answers
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