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Write equations for the half-reactions that occur in the electrolysis of molten potassium bromide.
A reaction has a rate consant of 1.23/mol*s at 433 Celcius and 24/mol*s at 533celcius.
a solution contains 55 grams of ascorbic acid in 250 g of water freezes at -2.34 degrees C. calculate the molar mass of the solute
How many milliliters of 12.6 M HCl solution are needed to obtain 0.105 mol of HCl?
To identify a diatomic gas x2 a research carried out the following experiment: She weighed an empty 1 L bulb, then filled it with the gas at 1.10 atm and 23.0 C and weighed it again. The difference in mass was 1.27 g. Identify the gas.
Calculate the mass of silver chloride required to plate 245 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag
How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.
For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
In an electrolysis cell similar to the one employed in this experiment, a student observed that his unknown metal anode lost 0.238 g while a total volume of 84.90 mL of H2 was being produced
Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron
what is the annual cost of operation in a 70°F room if the door is opened 10 times a day with an average heat gain per opening of 200 kJ? How much would it cost to keep the inside at 35° F
At 100 ?C the vapor pressures of hexane and octane are 1836 and 354 torr, respectively. A certain liquid mixture of these two compounds has a vapor pressure of 666 torr at 100 ?C. Find the mole fractions in the liquid mixture and in the vapor phas..
Why is 2-naphthol soluble in sodium hydroxide? Q.3 why is o-toluic acid soluble in sodium bicarbonate?
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