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In an electrochemical cell a redox reaction perform in two halves. Electrons are liberated by the oxidation half reaction at one electrode and go through an electrical circuit to another electrode where they are used for the reduction. The cell potential E is the potential difference between the two electrodes have to balance the thermodynamic tendency for reaction, so that the cell is in equilibrium and no electrical current flows. E is related to the molar Gibbs free energy change in the overall reaction according to
where n the number of moles of electrons passed per mole of reaction and F is the Faraday constant (9.6485×104 C mol-1).
Why transition elements form interstitial compound
Determine minimum solvent flow rate: It is necessary to process 100 kg/min of a water stream containing 15 percent acetic acid by weight. Refer to the data in the table below
After the treatment of A with concentrated H 2 SO 4 and acetonitrile under thermodynamic conditions, only E formed that was subsequently hydrolyzed to B. Draw the structure of
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
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a small 0.600ml bubble forms at the bottom of a lake where the temperature is 4.0 degrees Celsius and the pressure is 2.40 atm. What volume will the bubble occupy near the surface
Vinegar, orange juice, and battery fluid are familiar acids. Different acids have different acid strengths. Some characteristics of acids are: They taste sour.
Thirty pounds of coal (analysis 80% C and 20% H ignoring the ash) are burned with 600 lbs of air (with a variable humidity), yielding a gas have an Orsat analysis in which the rati
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The number of orbitals in 2p sub-shell is : (1) 6 (2) 2 (3) 3 (4) 4 Ans: 3
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