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Examine the following reaction:
5FeCl2(aq) + KMnO4(aq) + 8HCl(aq) → 5FeCl3(aq) + MnCl2(aq) + KCl(aq) + 4H2O(l)
a. Indicate the oxidation numberor oxidation state of each of the element in both reactants and products.
b. Which atom is oxidized? Which is reduced?
c. which is the reducing agent? the oxidizing agent?
Purification of nickel can be acheived by electrorefining nickel from an impure nickel anode onto a pure nickel cathode in an electrolytic cell.
Question- Write the chemical equation that defines the normal boiling point of liquid phosphorous trichloride. What is the delta G degrees for the phase change at equilibrium? Estimate the normal boiling point of PCl3.
State the structure of the principal organic product expected from each of the subsequent reactions. Indicate stereochemistry where appropriate
What is the proper coeffcient for water when the following equation is completed and balanced for the reaction in the basic solution. C2O4^2-(aq)+MnO4^-(aq)--->CO3^2-(aq)+MnO2(s)s
a thin lead apron is used in dental offices to protect patients from harmful x rays if the sheet measures 75.0 cm by
A 343 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.
A mixture of 25.0 g of Mg and 25 g of B203 are allowed to react to completion. Identify the masses of MgO and B that are formed and determine the masses of any left -over reactants
Calculate the heat energy released when 10.9 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
A 28.0-g sample of water at 250. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The normal boiling points of CO and SO2 are -192c and -10c, respectively. a) At 25c and 1 atm, which gas would you expect to have a molar volume closest to the ideal value
Write a balanced chemical reaction for the formation of "soap scum" from a mixture of soap and "hard" water
The you heat it to 80 deg C and add 5.00 more grams of sugar. Assuming you do not get a supersaturated solution, what is the amount of sugar in the solution and the amount of solid out of solution, if he cools it to 58 deg C
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