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Veseljchak [2.6K]
2 years ago
11

4. At what phase of the cell cycle does the genetic material double? BRIANLIST!

Chemistry
2 answers:
dmitriy555 [2]2 years ago
8 0

Nah. Give the guy a brainliest for being nice.

inessss [21]2 years ago
5 0
Give the guy brainliest i dont know so give it to him
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Free-energy change, ΔG∘, is related to cell potential, E∘, by the equationΔG∘=−nFE∘where n is the number of moles of electrons t
mart [117]

Answer:

a)\Delta G=372490 J

b)\Delta G=-568614 J

Explanation:

a) The reaction:

Mg(s) +Fe^{2+}(aq) \longrightarrow Mg^{2+}(aq) + Fe(s)

The free-energy expression:

\Delta G=-n*F*E

E=E_{red}-E_{ox]

The element wich is reduced is the Fe and the one that oxidates is the Mg:

-0.44V=E_{red}-(-2.37V)=1.93V

The electrons transfered (n) in this reaction are 2, so:

\Delta G=-2mol*96500 C/mol * 1.93 V

\Delta G=-372490 J

b) If you have values of enthalpy and enthropy you can calculate the free-energy by:

\Delta G=\Delta H - T* \Delta S

with T in Kelvin

\Delta G=-675 kJ*\frac{1000J}{kJ} - 298K*-357 J/K

\Delta G=-568614 J

7 0
2 years ago
Which of the following is a chemical property of a base?
juin [17]

Answer:

D) forms hydronium ions in water

Explanation:

Texture and conductivity are physical properties which makes answer A and B wrong. Answer C does not refer to a chemical reaction.

4 0
3 years ago
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What property of water enables ice wedging to break rock?
seropon [69]

Answer:

c

Explanation:

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6 0
3 years ago
State the valency of Al in Al²03​
kirill [66]

Answer:

hi

jhy

jj

Explanation:

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(3.88 x 10to the 26th)atoms of copper would be equal to how many moles of copper?
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Answer:

69

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