2 years ago

Which of these cause the build up of volcanic landforms?

Chemistry

2 answers:

finlep [7]2 years ago

6 0

D. ash, cinder, and lava

stich3 [128]2 years ago

3 0

Answer:

I'm pretty sure the answer is D. ash, cinder, and lava.

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For the following electrochemical reaction: Al3+(aq) + 3e -> Al(s) Eº = -1.66 V E° = 2.87 F2(g) + 2e -> 2F (aq) Calculate

makvit [3.9K]

Answer: The standard electrode potential of the cell is 4.53 V.

Explanation:

We are given:

$E^o_{(F_2/F^-)}=2.87V\\E^o_{(Al^{3+}/Al)}=-1.66V$

The substance having highest positive $E^o$ potential will always get reduced and will undergo reduction reaction. Here, fluorine will undergo reduction reaction will get reduced.

Aluminium will undergo oxidation reaction and will get oxidized.

Substance getting oxidized always act as anode and the one getting reduced always act as cathode.

To calculate the $E^o_{cell}$ of the reaction, we use the equation:

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$E^o_{cell}=2.87-(-1.66)=4.53V$

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2 years ago

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Which is heavier einsteinium (Es) or europium (Eu)

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