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USPshnik [31]
3 years ago
6

After a hormone enters the bloodstream, it is transported throughout the body, but the hormone only affects certain cells. The r

eason only certain cells are affected is that the membranes of these cells have specific
Chemistry
1 answer:
USPshnik [31]3 years ago
5 0
The membranes have specific receptors, you're welcome :).
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What is power? (2 points)
damaskus [11]

Answer:

I believe

Explanation:

I believe that the answer is B, but I could be wrong. I think it's How much work can be done in a given time, because, In physics, power is the amount of energy transferred or converted per unit time.  

3 0
3 years ago
The following equations are half reactions and reduction potentials. Ag+ (aq) + e– Ag(s) has a reduction potential of +0.80 V. C
Lady bird [3.3K]

Answer : The correct option is, (A) silver ion gains electrons more easily and is a stronger oxidizing agent than a chromium(III) ion.

Explanation :

The given half reaction are :

1st half reaction : Ag^+(aq)+e^-\rightarrow Ag(s)

The reduction potential of this reaction = +0.80 V

2nd half reaction : Cr^{3}+(aq)+3e^-\rightarrow Cr(s)

The reduction potential of this reaction = -0.74 V

From the reduction potentials, we conclude that the reaction which have positive reduction potential, they will gain electrons more easily and reduced itself and act as a stronger oxidizing agent.

Or we can say that the reaction which have negative reduction potential, they will lose electrons more easily and oxidized itself and act as a stronger reducing agent.

The reduction potential of 1st half reaction is positive and 2nd half reaction is negative.

Therefore, the silver ion gains electrons more easily and is a stronger oxidizing agent than a chromium(III) ion.


5 0
4 years ago
Read 2 more answers
The gas release during a chemical reaction which causes fizzing known as?
IrinaVladis [17]

Answer:

Hey mate...

Explanation:

This is ur answer....

<h3>Effervescence</h3>

<em>Effervescence is the escape of gas from an aqueous solution and the foaming or fizzing that results from that release.</em>

Hope it helps!

Brainliest pls!

Follow me! ♧

8 0
3 years ago
Read 2 more answers
As a system becomes less random, its entropy *<br><br> decreases<br> remains the same<br> increases
Yakvenalex [24]

Answer:

decreases

Explanation:

The higher the entropy, the more unpredictable and the more random a value is, this is because entropy describes disorder of a system. If things are less random, that means they are predictable, which means they are more ordered.

6 0
4 years ago
Why do scientists use models to study atoms?
umka2103 [35]
Because atoms are the small and can't be seen by your eyes. It is so small that scientists need to use a model. A model help scientists study things. So, scientists needs to study atoms using models.
3 0
4 years ago
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