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konstantin123 [22]
2 years ago
15

In a multicellular organism, the reproduction of cells is carefully controlled most of the time. Old colls are replaced with new

cells and the growth rate is regulated so they do not reproduce foo rapidly or too slowly. Which general process does this regulation
represent?
o performing respiration
maintaining homeostasis
o completing transportation
o carrying out photosynthesis
Chemistry
2 answers:
PIT_PIT [208]2 years ago
7 0

Answer: i think it’s maintaining homeostasis

Explanation: idrk it’s my best guess, i’m taking the test rn and that’s what i’m gonna put. i have an A in this class lol so ‍♀️

Masja [62]2 years ago
6 0

Answer:

maintaining homeostasis

Explanation:

I got it on my test and I got it right.

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If a compound contains a poly atomic ion then what type of compound is it A. Convalent Compound B. Ionic Compound
den301095 [7]

Answer:

B. Ionic Compound

Explanation:

An ionic compound is that compound which contains a positively charged ion called CATION and a negatively charged ion called ANION. The cation loses or transfers electrons to the anion, hence, making the former (cation) positive and the latter (anion) negative.

A polyatomic ion is an ion that contains more than one type of atom e.g OH-, NO3²-, CO3²- etc. A polyatomic ion usually has an overall charge formed from the charges of the individual atoms that makes it up. For example, in OH-, the overall charge is -1.

Since a polyatomic ion can have an overall positive or negative charge, it must enter a reaction with another ion that complements it i.e. a negative polyatomic ion will react with a positive ion to neutralize its charge. Hence, this forms an IONIC COMPOUND. This is why most compounds with polyatomic ions are IONIC COMPOUNDS.

For example, CaCO3 is an ionic compound formed when Ca²+ (cation) reacts with the polyatomic anion: CO3²-

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3 years ago
If an atom has no electric charge, what can be said about the number of protons and electrons it contains?
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then the electrons and protons would have a even amount of negetive electric charges

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Naphthalene combustion may be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene i
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Answer:

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Explanation:

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3 years ago
If the a of a monoprotic weak acid is 2. 6×10−6, what is the ph of a 0. 33 m solution of this acid?
yawa3891 [41]

The pH of the monoprotic weak acid is 2.79.

<h3>What are weak acids?</h3>

The weak acids are the acids that do not fully dissociate into ions in the solution. Strong acids fully dissociate into ions.

The chemical reaction is HA(aq) ⇄ A⁻(aq) + H⁺(aq).

c (monoprotic acid) = 0.33 M.

Ka = 1.2·10⁻⁶

[A⁻] = [H⁺] = x

[HA] = 0.33 M - x

Ka = [A⁻]·[H⁺] / [HA]

2. 6 × 10⁻⁶ = x² / (0.33 M - x)

Solve quadratic equation: [H⁺] = 0.000524 M.

pH = -log[H⁺]

pH = -log(0.000524 M)

pH = 2.79

Thus,  the pH of the monoprotic weak acid is 2.79

To learn more about weak acids, refer to the below link:

brainly.com/question/13032224

#SPJ4

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2 years ago
Enter the maximum number of electrons in each type of sublevel (s, p, d, and f, respectively)
Ksivusya [100]
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