A gas has a temperature of 273.15 k and a pressure of 101.325 kpa. what can be concluded about the gas?
2 answers:
Answer : A gas has a temperature of 273.15 K and a pressure of 101.325 kPa from this we conclude that the gas reached at standard temperature and pressure.
Explanation :
STP : STP stands for standard temperature and pressure.
At STP,
The temperature is, or
or
The pressure is, or
The volume is, 22.4 L
As per question we conclude that, when the temperature and pressure of the gas will be 273.15 K and 101.325 kPa respectively this means that the gas reached at standard temperature and pressure.
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Answer:
2.01V ( To three significant digits)
Explanation:
First we show the standard reduction potentials of Cu2+(aq)/Cu(s) system and Al3+(aq)/Al(s) system. We can clearly see from the balanced redox reaction equation that aluminium is the anode and was the oxidized specie while copper is the cathode and was the reduced specie. This observation is necessary when substituting values of concentration into the Nernst equation.
The next thing to do is to obtain the standard cell potential as shown in the image attached and subsequently substitute values of concentration and standard cell potential into the Nernst equation as shown. This gives the cell potential under the given conditions.
