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Electrochemistry13.0 Investigates the importance of electrochemical systems.13.1 Uses conductivity to understand the nature of solutes and their concentration in an aqueous solution.Explains the terms strong electrolyte,weak electrolyte and non electrolyte. States examples for strong electrolyte, weak electrolyte and non electrolyte in an aqueous medium.Compares electrical conductors and ionic conductors in terms of current carrying entities.Expresses that the electrode reactions at both electrodes are necessary to pass a current through an electrolyteDefines the terms resistance and resistivity.Defines the terms conductance and conductivity.States the factors that affect the conductivity of an electrolyte solution.Derives the coherent and non coherent SI units for conductivity.Compares the conductivities of different water samples (Calculations of conductivity is not required) using given data13.2 Investigates electrodes in equilibrium and electrodereactions related to them.Sketches metal- metal ions electrode.Giving examples, writes the reversible electrode reactions for common metal-metal ion electrodes.Describes the existence of a potential difference between an electrode and its solution at the electrode/electrolyte interface.Illustrates different types of electrodes (Gas electrodes, metalmetal ion electrodes, metalinsoluble salt, redox electrodes). Writes the reversible electrode reactions for different types of electrodes.Defines the standard electrode.Denotes electrodes using the standard notation.13.3 Determines the properties of electrochemical cells.Defines the term electrode potential of an electrode.Introduces the standard hydrogen electrode as a reference electrode.Defines the term standard electrode potential of an electrode.Explains how to measure the standard electrode potential of an electrode.States the factors affecting the electrode potential.States the silver-silver chloride and calomel electrode as a practical reference electrodes.Gives examples for electrochemical cells with diagrammatical representation.Presents the conventional notation of an electrochemical cell with standard rules.Explains Electrochemical cells with and without a liquid junction.Writes the electrode reactions in a simple electrochemical cell.Defines the term electromotive force.Solves simple problems related to electromotive force.Describes the factors affecting electromotive force.Names the cells uses in daily life.(Leclanche cell, Lead accumulator)Draws the diagram of Daniel cellConstructs the electrochemical series using the standard electrode potentials.Describes relationships between the position of metals in the electrochemical series and their existence, method of extraction and chemical properties.Determines the relative position of commonly available metals in the electrochemical series experimentally.Prepares the standard Ag(s),AgCl(s)/Cl- (aq) electrode in the laboratory.13.4 Identifies the requirements to be fulfilled in the process of electrolysis and carries out related calculations using Faraday constant.Defines electrolysis.Describes principles of electrolysis.Predicts the products of simple electrolytic systems.Solves simple problems based on Faraday constant.
What is the percent ionization at equilibrium in a 0.60 M solution of dimethylamine, (CH3)2NH (Kb = 5.1 × 10-4), at 25oC
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Calculate the volume of a sample of carbon monoxide at -60.6°C and 801 torr if it occupies 29.4 L at 372 K and 189 torr.
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For equal moles of CaCl2 and Fe(NO3)3 dissolved in the same volume of distilled water, how do you expect the conductivities of each solution to compare? Explain your reasoning.
Based on your observations, what might have happened if you had not followed these instructions? Might this also have affected your percent yield? Explain.
When 2.42g of a nonelectrolyte solute is dissolved in 855 mL of water at 21 degree C, the resulting solution exerts an osmotic pressure of 829 torr. What is the molar concentration (M) of the solution
Draw the Lewis structure for each including formal charges and describe in paragraph format how you went about solving the problem and making sure the answer was correct.
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 150.00 pm.
Explain how many grams of ammonia can be produced from the reaction between 73.52 g nitrogen and 63.80 g hydrogen? N2 + H2 -----> NH3
Calculate the equivalent weight of the unknown weak acid (g/eq). Calculate the molecular weight of the acid described in Question 1 (g/mol).
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