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The redox reaction of peroxydisulfate with iodide has been used for many years as part of the iodine clock reaction which introduces students to kinetics. If Eºcell = 1.587 V and Eº of the anode half-cell is 0.536 V, what is Eº of the cathode half-cell?S2O82-(aq) + 2H++ 2 I-(aq) ? 2HSO4-(aq) + I2(aq)
what is the balanced equation for the main reaction? equation for important side reactions? why was ethanol, not methanol, used as the organic solvent?
The half-life for a first-order reaction is known to be 379 seconds at a given temperature. What is the rate constant at this temperature?
A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.05% carbon dioxide, and 0.930% argon by volume. How many molecules of each gas are present in 1.00 L of the sample at 31 degrees C and 1.00 atm?
how many moles of oxygen gas will be produced by the decomposition of 111.5 g of lead(II)oxide.
What mass of Al2O3, in grams, can be made by reacting 4.6 g Al with excess oxygen?
Calculate how much heat is released when this reactions occurs at a constant temperature of 25.00 degree Celicus in a constant-volume container.
The half-life of Chromium-51 is 28 days. Starting with an original sample size of 12.0 ?g, calculate the number of days it will take for the radioactive isotope
The flask was then shaken until the solution was uniform. A 20.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.
What volume of gas should you collect at 25 degree celsius and 1.00 atm in order to achieve the desired pressure in the cylinder?
Can someone describe what the sn1 and sn2 mechanisms are and the primary factors that effect why alkyl halides undergo one pathway over the other.
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
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