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Damm [24]
3 years ago
8

Is ammonia solution a weak or strong alkali?

Biology
2 answers:
Tju [1.3M]3 years ago
7 0

Weak

Ammonia is a weak base because its nitrogen atom has an electron pair that readily accepts a proton.

Anna007 [38]3 years ago
3 0

Ammonia is a weak base because its nitrogen atom has an electron pair that readily accepts a proton. Also, when dissolved in water, ammonia acquires hydrogen ions from water to produce hydroxide and ammonium ions. It is the production of these hydroxide ions that imparts ammonia its characteristic basicity.

Explanation:

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Is the reduced form of cytochrome c more likely to give up its electron to oxidized cytochrome a or cytochrome b, why? Provide a
Vadim26 [7]

Answer:

The reduced form of cytochrome c more likely to give up its electron to oxidized cytochrome a having a higher reduction potential.  

Explanation:

Electrons from NADH and FADH2 flow spontaneously from one electron carrier of the electron transport chain to the other. This occurs since the proteins of the ETC are present in the order of increasing reduction potential. The reduced cytochrome b has lower reduction potential than cytochrome c1 which in turn has a lower reduction potential than the cytochrome c.

Cytochrome c is a soluble protein and its single heme accepts an electron from cytochrome b of the Complex III. Now, cytochrome c moves to complex IV which has higher reduction potential and donates the electron to cytochrome a which in turn passes the electrons to O2 via cytochrome a3.

3 0
3 years ago
Reactions between atoms occur when:
VikaD [51]

Answer; All the above

A) an atom seeks to fill its outer shell of electrons

B) an atom seeks to balance its positive and negative charges

C) the reaction will result in paired electrons

Explanation;

-In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

-During a chemical reaction an atom may lose of gain electrons resulting positive and negative ions (ionic bond formation) or may result to the paired electrons (sharing of electrons).

5 0
3 years ago
Read 2 more answers
Water leaves the internal cavity of a sponge through the
Trava [24]

If I'm not mistaken, it leaves through the osculum which is a cavity located on the upper part of a sponge.

Sponges feed through a process called filtration, which means that they filter the water in search of nutrients. And after they collect everything they need from the water, they need to let it out somehow; through the osculum.



Hope it helped,


BioTeacher101

7 0
2 years ago
Which step of the scientific method do you perform after you collect d
vredina [299]

Answer:

D

Explanation:

  • D. Forme hypothesis

  • You will find an arrangement in the image

8 0
2 years ago
All the subatomic particles participate in chemical reactions. true or false
myrzilka [38]
False, because 
<span>According to 2n^2 rule </span>
<span>n=2 contains 8 electrons </span>
<span>n=3 contains 18 electrons </span>

<span>add electrons to have a stable octet in its outer energy level </span>
7 0
3 years ago
Read 2 more answers
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