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iren2701 [21]
2 years ago
12

Explain why every cell in the human body requires support by the circulatory system regardless of its function. Use scientific e

vidence and reasoning to support your answer.
Chemistry
2 answers:
noname [10]2 years ago
4 0
Okay , i’m kinda confused about this
alexgriva [62]2 years ago
3 0
Every cell in the human body requires support by the circulatory system regardless of function in that the nervous system maintains homeostasis through breathing patterns. Homeostasis is the state of steady & stable equilibrium in the body throughout all organ systems. (Essential for survival).
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What is the chemical formula for ammonia, according to this illustration?.
Citrus2011 [14]

Answer:

NH³

Explanation:

the 3 should be at the bottom of the H

5 0
2 years ago
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In the reaction Pb + 2Ag+ – Pb2+ + 2Ag, the Ag+ is.
Travka [436]
<h2><u>Question :-</u></h2>

In the reaction Pb + 2Ag+ – Pb2+ + 2Ag, the Ag+ is.

a) Reduced, and the oxidation number changes from +1 to 0.

b) Reduces and the oxidation number changes from +2 to 0.

c) Oxidized and the oxidation number changes from 0 to +1.

d) Oxidized, and the oxidation number changes from +1 to 0.

<h3>____________________</h3>

<h2><u>Solution :-</u></h2>

<h3><u>Given Information :-</u></h3>

  • <u>Reaction ➢</u> Pb + 2Ag⁺ ⟶ Pb²⁺ + 2Ag

<h3><u>To Find :-</u></h3>

  • Whether Ag⁺ is:-

  • a) Reduced, and the oxidation number changes from +1 to 0.

  • b) Reduces and the oxidation number changes from +2 to 0.

  • c) Oxidized and the oxidation number changes from 0 to +1.

  • d) Oxidized, and the oxidation number changes from +1 to 0.

<h3><u>Answer :-</u></h3>

Firstly let us know the meaning of Oxidation & Reduction and Oxidizing & Reducing Agent :-

  1. Oxidation is process of loss of electron(s). Either atom or ion undergoing oxidation, is known as reducing agent.
  2. Reduction is process of gain of electron(s). Either atom or ion undergoing reduction, is known as oxidizing agent.

In this reaction, Ag⁺ gains an electron to get <u>reduced</u> to Ag. The oxidation number changes from +1 to 0. Therefore, Ag+ is an oxidizing agent.

Since, this possibility is given in option a). Reduced, and the oxidation number changes from +1 to 0. Hence, option a is the correct answer.

<h3>____________________</h3>

<h2><u>Final Answer :-</u></h2>

  • Option a. Reduced, and the oxidation number changes from +1 to 0 is correct answer.

<h3>____________________</h3>
5 0
2 years ago
HELPPp now plsss I really need help !!!!!
blondinia [14]

Answer:

The Forces that form each star would be your answer :)

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How will the gravitational force between the moon and a spacecraft change as the spacecraft nears the moon?
Reil [10]
A) because you are moving closer to the moon
4 0
3 years ago
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iodide-131 decays with half life of 8.02 d. In a Sample initially containing 5.00 mg of I 131, what mass remains after 6.01 d?
Genrish500 [490]
You can use the equation f(t) = 5*(1/2)^(t/8.02)

Then plug in 6.01 for time.There remains 2.97 mg in the sample.

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