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Finger [1]
3 years ago
11

Which is the main reason cells are replaced in the body?

Chemistry
1 answer:
MArishka [77]3 years ago
6 0

For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.

Explanation:

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For the following, identify the process as a spontaneous process, a nonspontaneous process, or an equilibrium process at the spe
alexandr402 [8]

Answer:

A nonspontaneous process

Explanation:

The spontaneity of a reaction is given by the standard Gibbs free energy (ΔG°). We can calculate ΔG° using the following expression.

ΔG° = ∑np . ΔG°f(p) - ∑nr . ΔG°f(r)

where,

ni are the moles of reactants and products

ΔG°f(p) are the standard Gibbs free energies of formation of reactants and products

For the equation,

CO₂(g) → CO₂(aq)

ΔG° = 1 mol × ΔG°f(CO₂(aq)) - 1 mol × ΔG°f(CO₂(g))

ΔG° = 1 mol × (-386.0 kJ/mol) - 1 mol × (-394.4 kJ/mol)

ΔG° = 8.4 kJ

By convention, ΔG° > 0 means that the reaction is nonspontaneous.

5 0
3 years ago
What occurs when aqueous aluminum nitrate, A l ( N O 3 ) 3 , reacts with aqueous ammonium phosphate, ( N H 4 ) 3 P O 4
Nikolay [14]

Answer:

You make aluminum phosphate which is an insoluble salt, so a precipitated is formed.

Explanation:

First reagent: Al(NO₃)₃

Second reagent: (NH₄)₃PO₄

This is the reaction:

Al(NO₃)₃  (aq) +  (NH₄)₃PO₄  (aq) → AlPO₄ (s) ↓ +  NH₄NO₃ (aq)

Al³⁺ (aq)  +  PO₄⁻³ (aq)  ⇄  AlPO₄ (s) ↓     Kps

Salt from phosphate is formed.

3 0
3 years ago
Which are functions of the stomata in the leaves of seed plants? Check all that apply.
viktelen [127]

Answer:

Take in carbon dioxide, reduces water loss, and produce oxygen.

Explanation: Hi! I've learned about these things in the past, really tough stuff! Hopefully this helps, I believe the three options above are correct, only one I'm possibly questioning is producing oxygen. Good luck!

3 0
3 years ago
Read 2 more answers
Periodic law states that when the elements are arranged according to their atomic numbers, this allows elements with similar pro
jeyben [28]

Answer:

is a mutiply choice answer just to be specific

Explanation:

3 0
3 years ago
ii. Use the solubility table to label the state symbols of each compound in the reaction. (1 point) AgNO3 + KCL = AgCl + KNO3
rjkz [21]

Answer:

  • AgNO₃ (aq) + KCl (aq) → AgCl (s) + KNO₃ (aq)

Explanation:

In a <em>solubility table</em> you find:

  • AgNO₃ (silver nitrate) is highly soluble
  • KCl (potassium chloride) is soluble
  • AgCl (silver chloride) is insoluble
  • KNO₃ (potassium nitrate) is soluble

In a chemical equation the states of soluble compounds is identified as aqeous, using the letter "aq" in parenthesis, and the state of insoluble compounds is identified as solid, using "s" in parenthesis.

Then, the reaction showing the states of the reactants and products is:

  • AgNO₃ (aq) + KCl (aq) → AgCl (s) + KNO₃ (aq)
4 0
3 years ago
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