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Problem- Which species would act as the cathode in the following reaction? 4 Au(s) + 16 Cl-(aq) + 3 O2(g) + 6 H2O(l) 4 AuCl4-(aq) + 12 OH-(aq) Give explanation for your answer.
Please illustrate work if possible thanks
A buffer is prepared by adding 3.00 g of sodium acetate (Formula Wt.=82.03g/mol) to 200 ml of 0.20 M acetic acid (Molec. Wt. = 60.053g/mol, Ka = 1.85x10-5). What will be the pH of this buffer. Assume adding the salt does not change the total volum..
proportional only to the numbers of hydrogens that give each product when substituted for by chlorine. What would be the relative yield of each product?
The Ka of a monoprotic weak acid is 3.72x10-3 M. Explain what is the percent ionization of a 0.112 M solution of this acid
Pure colored substances mostly exhibit a single peak (i.e. max) in the visible; therefore the simple rules of complementary colors apply. Mixtures are a little more complicated.
If, in a separate experiment, one-four as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (24 ?mol) of product to be formed
Determine how many moles of each product would form and Considering the given equation
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
Acetic acid when pure, has a freezing point of 16.0 Celsius; Liquid acetic acid has a heat capacity of 1.96J/g*C. A 25.0 g piece of solid acetic acid at 16.0C is placed into an insulated container containing 50.0g of liquid acetic acid at 50.0C.
A 25.00mL sample of KNO3 solution was diluted to 1.000 x 10^3 mL. The concentration of the final solution is 0.00383 M. Calculate the concentration of the original solution in M.
A gas temperature at 100C occupies a volume of 154 mL. What will the volume be for the same amount of gas at a temperature of 10C, assuming no change in pressure?
According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant
Suppose you are given 150mg of an unknown mixture that contains 3 compounds and you're told to separate the compounds using column chromatography using alumina as a stationary phase. How would you decide what solvent or solvent system to use
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