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QveST [7]
4 years ago
6

What would be the Half Reactions for a spontaneous reaction using Zn and Cu electrodes?

Chemistry
1 answer:
Bogdan [553]4 years ago
7 0

Answer:

Half Cell Reactions. A half cell is one of the two electrodes in a galvanic cell or simple battery. For example, in the \(\ce{Zn-Cu}\) battery, the two half cells make an oxidizing-reducing couple. Placing a piece of reactant in an electrolyte solution makes a half cell.

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How many neutrons does this atom haver<br> 10<br> 14<br> 28
krek1111 [17]

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28

Explanation:

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an atom has 79 protons, 78 electrons and a mass number of 118. how many neutrons does this atom have​
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39

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An atom has 1 proton, 2 neutrons, and 1 electrons. What is the atomic number of the atom?
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8 0
3 years ago
A sample of krypton has a volume of 6.00 L, and the pressure is 0.960 atm. If the final temperature is 55.0°C, the final volume
MissTica

193.38 K was the initial temperature of the krypton.

Explanation:

Data given:

Initial volume of the krypton gas = 6 litres

initial pressure of the krypton gas = 0.960 atm

initial temperature of the krypton gas = ?

final volume of the krypton gas  = 7.70 litres

final pressure of the Krypton gas  = 1.25 atm

final temperature of the krypton gas = 55 degrees or 273.25+55 = 323.15 K

Applying the  Combined Gas Laws:

\frac{P1V1}{T1} = \frac{P2V2}{T2}

Rearranging the equation:

T1  = \frac{P1V1T2}{P2V2}

Putting the value in the equation:

T1 = \frac{0.960 X 6 X 323.15}{1.25 X 7.70}

T1 = 193.38 K

Initial temperature of the krypton gas is 193.78 K

5 0
4 years ago
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