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Introduction to the Nernst Equation Learning Goal: To learn how to use the Nernst equation. The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 circ C and 1 M. To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation, E = E^\circ - \frac{2.303\,RT}{ nF}\log Q where E is the potential in volts, E^\circ is the standard potential in volts, R = 8.314 J/(K * mol) is the gas constant, T is the temperature in kelvins, n is the number of moles of electrons transferred, F= 96,500 C (mol ~e^-) is the Faraday constant, and Q is the reaction quotient. Consider the reaction Mg (s)+ Fe^2+(aq) \rightarrow Mg^2+(aq)+ Fe (s) at 83\;^\circ C , where [ Fe^2+]= 3.60 M and [ Mg 2+]= 0.310M . Part A What is the value for the reaction quotient, Q, for the cell?
Assume the total heat capacity of the air C air=30 J/K. Describe what's the likely ice will ne after the system reaches equilibrium. b) Estimate theliekly final temperature after reaching equilibrium
How many moles of each of the following were in the original sample? What is the molecular formula?
Sketch Flow diagram and explain the extraction process - What is the purpose of extracting the organic layer with water in the first extraction step?
The reactions represented below are all spoontaneous as written. For each, write the anode and cathode half - reactions and indicate the signs of the electrodes.
When 0.0200 mol gaseous NH3 and 0.0180 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20Ã-10-3 M. Calculate Keq for the reaction at this temperature.
An "A" group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.
Formulate a rule/guideline for determining the number of valence electrons from an electron configuration in elements with d electrons present
A flask contains a mixture of Ne(g) and Ar(g). There are 0.250 mol of Ne(g) which exerts a pressure of 205 mmHg. If the Ar(g) exerts a pressure of 492 mmHg.
The mass of the final solution is 73.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the ?Hreaction in kJ/mol metal.
the hypothetical metal Q with atomic mass of 68.33 has two isotopes ^67Q (isotopic mass 66.945 amu) and ^69Q (isotpes mass 68.958 amu) calculate the abundance of ^67Q in %
iodine clock reaction experiment, between iodide ions and persulfate ions, why should the rate orders w.r.t iodide and persulphate ions be integers(and therefore we can round off the experimental value to the closest integers)? I actually performe..
The names of esters consist of a first name and a last name. Which of the following correctly describes this naming system. the first name is the name of the alcohol, and the last name is the name of the acid
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