The hydrogen gas bubbling into one molar solution of HCl has a pressure of _.
Correct answer: D. 1 atm
- A. 2atm
- B. 780 mmHg
- C. 19 Psi
- D. 1 atm
Explanation
To setup a standard half-cell, the conditions are 298.15 Kelvin (temperature), 1 atmosphere (pressure), and have a Molarity of 1.0 M for both the anode and cathode solutions.
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About Standard Hydrogen Electrode
The standard hydrogen electrode provides the reference potential of 0.00 V for measuring electrode potentials. It consists of platinum in contact with hydrogen gas at standard pressure and hydrogen ions at standard concentration, usually at 25°C, and can operate as either the oxidation or reduction half-cell.
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