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kotykmax [81]
3 years ago
8

WILL GIVE BRAINLYIST HELPPPPP PLEASE Which is the second stage of mitosis?

Chemistry
2 answers:
stich3 [128]3 years ago
8 0
Metaphase is the answer
____ [38]3 years ago
3 0

Answer: Metaphase

Explanation:

Metaphase is SECOND stage of mitosis, that follows prophase and comes before anaphase, during which condensed chromosomes become aligned before being separated.

During Metaphase, the chromosomes become visible due to the condensation, and the success of this stage determines whether anaphase will occur.

Therefore, metaphase is the second stage of mitosis.

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What is the mass of 3.6 x 1024 atoms of Zinc (Zn)?
AlladinOne [14]
Answer is: mass od zinc is 392,28 g.
N(Zn) = 3,6·10²⁴.
n(Zn) = N(Zn) ÷ Na.
n(Zn) =  3,6·10²⁴ ÷ 6·10²³ 1/mol.
n(Zn) = 6 mol.
m(Zn) = n(Zn) · M(Zn).
m(Zn) = 6 mol · 65,38 g/mol.
m(Zn) = 392,28 g.
Na - Avogadro number.
n - amount of substance.
M - molar mass.
7 0
3 years ago
After mixing an excess PbCl2 with a fixed amount of water, it is found that the equilibrium concentration of Pb2 is
Tanzania [10]

Answer:

Ksp = 8.8x10⁻⁵

Explanation:

<em>Full question is:</em>

<em>After mixing an excess PbCl2 with a fixed amount of water, it is found that the equilibrium concentration of Pb2+ is 2.8 × 10–2 M. What is Ksp for PbCl2?</em>

<em />

When an excess of PbCl₂ is added to water, Pb²⁺ and Cl⁻ ions are produced following Ksp equilibrium:

PbCl₂(s) ⇄ Pb²⁺ + 2Cl⁻

Ksp = [Pb²⁺] [Cl⁻]²

If an excess of PbCl₂ was added, an amount of Pb²⁺ is produced (X) and twice Pb²⁺ is produced as Cl⁻ (2X):

Ksp = [X] [2X]²

Ksp = 4X³

As X is the amount of Pb²⁺ = 2.8x10⁻²M:

Ksp = 4(2.8x10⁻²)³

<h3>Ksp = 8.8x10⁻⁵</h3>
4 0
3 years ago
The discovery of protons and electrons most directly refuted or replace the idea that
Effectus [21]

Answer:

The atom resembles plum pudding

Explanation:

The discovery of the electron in 1897 by J. J Thomson and the proton in 1917 by Rutherford most directly refuted or replace the idea that the atom resembles plum pudding.

8 0
2 years ago
The word science is derived from latin word..........which means............​
stepan [7]
Scientia, meaning knowledge and skill
8 0
3 years ago
Is matter smooth and continuous?
Strike441 [17]

Answer:

<h2><u><em>YES,</em></u></h2>

Explanation:

<h2><u><em> Matter is smooth and continuous. ... A liquid has a definite volume; but it has no definite shape.</em></u></h2>
3 0
3 years ago
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