Au³⁺ metal ion is reduced in the Au/Cr cell and Co²⁺ metal ion is reduced in the Co/Zr cell
<h3>What is a voltaic cell?</h3>
A voltaic cell is a cell that generates electricity by a spontaneous redox reaction.
It is an electrochemical cell, also known as a galvanic cell and
Electrical energy is created by converting chemical energy.
Examples of voltaic cells include the dry cell, nickel-cadmium cell, lead storage cell, and fuel cells.
The half-cell reactions for each cell are given by
; E° = 1.50 V
; E° = –0.74 V
; E° = –0.28 V
E° = –0.76 V
Thus, Au³⁺ is reduced in the Au/Cr cell and Co²⁺ is reduced in the Co/Zr cell
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Answer: 11.2 L of at 273K and 202kPa
Explanation:
According to ideal gas equation:
P = pressure of gas = 202 kPa = 1.99 atm ( 1kPa= 0.0098 atm)
V = Volume of gas = 11.2 L
n = number of moles = ?
R = gas constant =
T =temperature =
According to avogadro's law, equal number of moles occupy equal volumes and contain equal number of molecules at same temperature and pressure conditions.
As 11.2 L of at 273K and 202kPa will have same moles as 11.2L of He (g) at 273K and 202kPa, thus they have same number of molecules.
<span>This could be because no deposition took place or there was a long period of erosion that took away these layers of rocks. A lack of deposition would lead to a large gap in the rock strata, while a long period of erosion would have taken away whatever rocks had existed, leaving what would look like a gap that didn't have any rocks existing.</span>
Answer:
Explanation:
The net force on electron is electrostatic force between electron and proton in the nucleus .
Fc =
This provides the centripetal force for the circular path of electron around the nucleus .
Centripetal force required =
So