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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 28.5 g sample of an unknown metal is heated to 95.0C and then dropped into 58.0 g of water in a coffee-cup calorimeter. The temperature of the water rises from 23.5 C to 27.1C.
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation
If 1.00 g of an unknown molecular compound contains 8.35 x1021 molecules, what is its molar mass
Problem- For 2Fe(CO)5(aq) = Fe2(CO)9(s) + CO(g) Kc=1.5*105. What is Pco in atm over a solution that is 1.0*10-4M Fe(CO)5 at equilibrium at 325K?
Assume that you pipet twenty milliliters of 0.350 M CaCl2 into a fifty milliliter volumetric flask and add DI water to the calibration mark. What is the molarity of this diluted solution
calculate the concentration of each ion present in a solution that result from mixing 50 ml of a .20 m naclo3 solution
A variety of different products could be formed in this reaction; for this problem assume all unique products are formed that only 1 Br is present in each alkyl halide product. how many of the potential alkyl halide products would have at least on..
how does the strngth of the attraction between water molecules and sodium and chloride ions compare with the strength
Consider the reaction 2MnO2+2KOH+O2 ---->2KMnO4+H2. If 72 grams of manganese dioxide,65 grams of potassium hydroxide and 53 grams of oxygen are introduced into a reaction vessel, which is the limiting reactant
What concentration of C2O42- is necessary to begin precipitation? (Neglect volume changes.) [C2O42-] = M. (b) Which cation precipitates first? Cd2+ Ag+ (c) What is the concentration of C2O42- when the second cation begins to precipitate? [C2O42-] ..
A sample of gas is collected over water at a temperature of 35.0C when the barometric pressure reading is 707 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
Question- it requires 419 kj/mol to ionize potassium atoms from a 0 to a +1 oxidation state. What is the value of n for the electron being removed in this process. Calculate Z for potassium atoms
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