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ivanzaharov [21]
3 years ago
6

How many grams are in a 0.21 mol sample of ethyl alcohol?

Chemistry
1 answer:
Eva8 [605]3 years ago
5 0

Answer:

9.7 g

Explanation:

Hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii :)

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vagabundo [1.1K]

Answer:

The correct answer is "False".

Explanation:

It is false that as carbon dioxide enters systemic blood, it causes more oxygen to dissociate from hemoglobin. Once an atom of oxygen binds to hemoglobin, hemoglobin change its shape and makes easier than a second and a third atom of oxygen binds towards it. This change in conformation makes no possible that carbon dioxide can cause that oxygen dissociates from hemoglobin.

5 0
3 years ago
Which atom has only one pair of electrons in its outermost energy level?
inysia [295]

Answer:

i belive A, i cold be wrong tho, pls tell me if im right if you fully find out

ght. Explanation:

8 0
3 years ago
What do chemical and physical change have in common?
gtnhenbr [62]

Explanation:

The similarities between chemical and physical changes include change in state of matter and both process involve change in energy.

Chemical changes of a substance results in the formation of entirely new substances. These changes are not reversible.

Physical changes results in the change of the state of the substance which can be reversed.

However, both chemical and physical changes results in change of state of matter and both process results in change in energy.

Thus, we can conclude that the similarities between chemical and physical changes include change in state of matter and both process involve change in energy.

(it's alre answered but here it again 'NOTE: not my answer')

3 0
2 years ago
4.5 × 1025 atoms of nickel equal how many moles?
sweet [91]
There should be 4.5 moles 
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When producing a soluble salt in a reaction between an acid and an alkali, how can you prepare dry solid crystals from the solut
igor_vitrenko [27]

Answer:

aqueous solution

Explanation:

7 0
4 years ago
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