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What is Go per mole of dichromate ions for the reduction of dichromate ions, Cr2O72-, to Cr3+ by bromide ions, Br-, in acidic solution? (Hint: Use the standard cell potential.) Please show steps and explain each steps.
A 2.721 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
what is the aluminum ion, Al3+, concentration if the cell potential is 0.447 V and the manganese (II) ion concentration is 0.10 M?
The heat capactiy of the calorimeter is 1630 J/degrees celsius, and the inital temperature was 24.58 degrees celsius. What was the final temperature in degrees celsius?
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
only hydrogen gas would be left as a product b. the equilibrium would shift to the left c. the equilibrium would shift to the right d. the equilibrium would remain unchanged
Use this equation Keq= [FeSCN^2+]/[Fe^3+][SCN^-] to calculate the concentration of Fe^3+ and SCN^- in a solution that has an equilibrium FeSCN^2+ concentration of 4.5 x10^-5 M.
Explain how a change in the amount of a product causes a shift in equilibrium?
Name the type of coupling that happens when two atoms connected through covalent bonds transfer their energy when they ring.
A student obtains a vinegar solution having an acetic acid concentration of 0.8512 M. What volume of 0.1036 M NaOH will be required to reach the equivalence point when 25.00 mL of the vinegar solution is titrated?
how many grams of potassium sulfate are required to make 385 ml of 2.5M solution
Calculate the mass of water formed by the complete reaction of 758 g of propane (C3H8) with excess oxygen
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