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sesenic [268]
3 years ago
12

Below are two cell division diagram. the number represents the number of chromosomes inside the cell. write the type of cell div

ision each diagram represents.

Chemistry
1 answer:
zheka24 [161]3 years ago
5 0

Answer:

The cell division in which number of chromosome remain same is mitosis and in it is reduced to half is mieosis.

Explanation:

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When a fast moving particle runs into a slower moving particle<br> what happens ?
Dvinal [7]

Answer:

It depends upon the mass of the particles also. Assuming equal mass, then the slower moving particle gains some energy, and the faster-moving particle loses energy. However, if the slower moving particle had greater mass, it could transfer energy to the faster-moving particle.

Explanation:

Hope I could help! :)

4 0
3 years ago
A _________ is an oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop co
Nezavi [6.7K]

Answer:

Developer

Explanation:

A <u><em>developer </em></u>is an oxidizing agent that, when mixed with an oxidation hair color, supplies the necessary oxygen gas to develop color molecules and create a change in hair color.

Mostly hair colors are used to dye the gray hairs. Hair colors are mixed with developer which is act as oxidizing agent. The wisely used developer is hydrogen peroxide. The hair color is made of ammonia and oxidative tints.

These tints consist of small precursors of uncolored dye. These combined with hydrogen peroxide and form large tint molecule. These are then diffuse into cortex of hair and can not get off during shampoo.

These are termed as permanent hair colors.

3 0
4 years ago
For the diprotic weak acid h2a, ka1 = 3.2 × 10-6 and ka2 = 6.1 × 10-9. what is the ph of a 0.0650 m solution of h2a? what are th
Stolb23 [73]
Given:

Diprotic weak acid H2A:
 
Ka1 = 3.2 x 10^-6
Ka2 = 6.1 x 10^-9. 
Concentration = 0.0650 m 

Balanced chemical equation:

H2A ===> 2H+  + A2- 
0.0650       0        0
-x                2x       x
------------------------------
0.065 - x     2x      x

ka1 = 3.2 x 10^-6 = [2x]^2 * [x] / (0.065 - x)

solve for x and determine the concentration at equilibrium. 


5 0
3 years ago
Which isotope in each pair is more stable? Why?(a) ¹⁴⁰₅₅Cs or ¹³³₅₅Cs
kiruha [24]

Among ¹⁴⁰₅₅Cs and ¹³³₅₅Cs,  <u>¹³³₅₅Cs</u> is more stable.

<h3>Briefly explained</h3>

Let's review the criteria that are used to determine a stable isotope. A stable isotope will have more neutrons than protons with a neutron to proton ratio somewhere between one and 1.52 On the high atomic number, we're up to 152 at low atomic numbers were closer to one. More stable isotopes have an even number of protons. And neutrons.

And stable isotopes have their proton or neutron number equal to one of these magic numbers. So if we have season one, It has 85 Protons are start 85 neutrons And 55 protons. So we have a neutron to proton ratio of 155 for CCM 1 33. We have 78 neutrons and 55 protons for a neutron to proton ratio of 1.42. 155 is a little high for z equal to 55.

Both of these are also odd. So ¹⁴⁰₅₅Cs is the least stable. ¹³³₅₅Cs is the most stable.

Learn more about stable isotopes

brainly.com/question/2028971

#SPJ4

6 0
2 years ago
As the atomic number ___________(Increases/Decreases) within a period, the atomic radius _______(Increases/Decreases).
Alex777 [14]

Answer:

Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group.

Explanation: you should mark me brainliest

3 0
3 years ago
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