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Debora [2.8K]
3 years ago
11

The basic units of structures and function for both plant and animal cells is?

Chemistry
2 answers:
lakkis [162]3 years ago
8 0
A nucleus both animal and plant cells have a nucleus.
  <span />
Charra [1.4K]3 years ago
7 0
The answer is THE CELL

cells are the basic units of structure and function for both plants and animal cells
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* will mark you brainliest + 15 points **
devlian [24]

Answer: D. To decrease the total moles of gas in the system

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

when the pressure is increased, , the volume will decrease according to Boyle's Law. Now, according to the Le-Chatelier's principle, the equilibrium will shift in the direction where decrease in pressure is taking place.

As the pressure is directly proportional to the number of moles of gas molecules. So, the equilibrium will shift in a direction where the total moles of gas are decreasing.

Thus the correct answer is to decrease the total moles of gas in the system.

3 0
3 years ago
Read 2 more answers
How many N2 molecules would exist in 500g of water at 20C?
tankabanditka [31]

We have to know the number of molecules present in 500 g of water.

The answer is: zero molecules present in 500g of water.

Water molecule is H₂O. In water molecule, nitrogen molecule can not be present. Molecular mass of water is 18 g. MOlecular mass of nitrogen molecule is 28 g.

500 g water contains 500/18 number of moles= 27.77 moles of water molecules which contains 27.77 X 6.023 X 10²³ number of water molecules.

There is no existence of N₂ molecule.

6 0
3 years ago
Which of the following is the BEST description of a temperate grassland ecosystem?
Likurg_2 [28]

Answer:

It is an area that is covered in grasses and wildflowers that receives enough rainfall to support the grassland but not the growth of trees.

Explanation:

8 0
2 years ago
For the reaction Cu2S(s)⇌2Cu+(aq)+S2−(aq)Cu2S(s)⇌2Cu+(aq)+S2−(aq), the equilibrium concentrations are as follows: [Cu+]=1.0×10−5
klio [65]

Answer:

1x10⁻¹²

Explanation:

  • Cu₂S(s) ⇌ 2Cu⁺(aq) + S²⁻(aq)

At equilibrium:

  • [Cu⁺] = 1.0x10⁻⁵ M
  • [S²⁻] = 1.0x10⁻² M

The equilibrium constant for the the reaction can be written as:

  • Keq = [Cu⁺]² * [S²⁻]

[Cu⁺] is squared because it has a stoichiometric coefficient of 2 in the reaction. <em>Cu₂S has no effect on the constant because it is a solid</em>.

Now we can <u>calculate the equilibrium constant</u>:

  • Keq = (1.0x10⁻⁵)² * 1.0x10⁻² = 1x10⁻¹²
8 0
3 years ago
What type of decay process is demonstrated in the following reaction 40 -19K to 0 -1e+40-20Ca?
Dmitry_Shevchenko [17]
The decay process that is demonstrated by the equation above would be a beta decay. This type of radioactive decay involves the emission of a beta particle. It happens when one of the protons is transformed in the other. The beta particle here is represented by <span>0 -1e.</span>
3 0
3 years ago
Read 2 more answers
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