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Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of each of the following aqueous solutions.
a) Ni(NO3)2 (aq)
b) KCl (aq)
c) CuBr2 (aq)
15.0 ml sample of .1m baoh2 is titrated with .125 m hcl. calculate the ph for atleast five different throughout the
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
suppose a student attempts to do an ion exchange on a column that is already nearly saturated with CO2+ and Zn2+.
Calculate the total concentration of dissolved cadmium (i.e. sum of the concentrations of free Cd 2+ and Cd-chloride complexes) in a 0.1M NaCl solution that is in equilibrium with otavite at atmospheric PCO2 and a pH of 8.5. To what extent does ch..
Draw the correct molecular geometries of the following covalent compounds. Use the electronegativity differences between the atoms in each bond pair to determine the presence and direction of individual bond dipoles in each molecule.
A 53.6 gram sample of an unknown substance contains 11.5 grams of carbon. What is the percent by mass of carbon in the compound?
What are the maximun number of electrons when n=4; n=5, ml=1; n=5, ms=+1/2; n=3, l=2; n=2, l=1. Please show all work.
deduce the SALC's not derived initially from the character table analysis. Provide normalized equations and a sketch for each group orbital.
write the balanced reaction for the complete combustion f octane c8h18 and then determine how many moles of oxygen it
Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
Which of the following is always true for a spontaneous process at constant temperature. A) Delta S system + Delta S surroundings = q/T B) Delta S > 0 C) Delta S = q/T D) Delta system + Delta S surroundings > 0 E) Delta S
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