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An electrochemical cell is based on the following two half-reactions: Ox: Sn(s)→Sn2+(aq, 2.00M )+2e- Red: ClO2(g, 0.150atm )+e-→ClO-2(aq, 1.75M ) What is the cell potential at 25 degrees C?
A sample of gas has a pressure of 328 torr while occupying a volume of 8.6 liters at 25 degrees C. If the volume was reduced to 2.4 liters at the same temperature, what would be the gas pressure in torr
mr. t. rains was given a 50.0 ml sample of 0.150 m solution ofhcooh. using a buret he transferred 25.0 ml of the weak
suppose that 35.55 mL of permanganate solution is required to titrate 1.2055 grams of iron ammonium sulfate hexahydrate. calculate the concentration of the permanganate solution.
If something goes wrong, all of the cyanide could end up in the air of the lab, calculate the minimum size of the lab to keep the concentration of hydrogen cyanide in the lab below 5% of the lethal dose.
What happens structurally when a carboxylic acid is dissolved in aqueous base. What about an amine in aqueous acid. Draw the reactions that happen, showing all structures.
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
In cooking over an open flame, a yellow flame is often observed when some food is spilled into the flame. What is most likely responsible for the yellow flame color
Dinitrogen monoxide decomposes into N2 and O2. Suppose you have a reaction flask that initially contains only N2O at a pressure of 2.10 atm.
Pure olive oil has an iodine value of about 85. A very old sample or originally pure olive oil is found to have an iodine value of 55. Explain
Define the precipitate produced by mixing Cu(NO3)2 with NaOH solution. State the full and net ionic equation
the brown gas no2 and the colorless gas n2o4 exist in equilibrium. in an experiment 0.625 mole of n2o4 was introduced
A 0.0678g sample of tin sulfate was dissolved in dilute HCl and treated with 10% BaCl2 solution. The BaSO4 precipitate weighed 0.0737 g. Determine the formula of this sulfate of tin.
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