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The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. The ore is dissolved in hot, concentrated acid and passed over a reducing agent so that all the antimony is in the form Sb3 (aq). The Sb3 (aq) is completely oxidized by an aqueous solution of BrO3-(aq). Complete and balance the equation for this reaction in acidic solution.
How many potassium ions must a cell lose in order to produce a membrane potential of - 95 mV for potassium? How does this compare to the number of potassium ions within the cell
Calculate the surface area for a 35.0mg sample of this material. 3. A 10.0-mL sample of contaminated water had 7.748mg of mercury in it. After treatment with 10.0mg of the new spongy material, 0.001mg of mercury remained in the contaminated water...
what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
When no single electronic formula can be drawn for a stable molecule so as to maintain the octet rule and still fit the observed properties
What is the pH of the solution when the titration is half way to the end point?
Benzene freezes at 5.5 degrees celcius and the resulting solution freezes at 2.13 degrees celcius. What is the freezing point depression constant of benzene?
The rate constant for a certain reaction is k = 2.60×10-3 s-1 . If the initial reactant concentration was 0.200M , what will the concentration be after 14.0 minutes?
What is the purpose of the sodium carbonate in Part A. Why do we add glacial acetic acid in Part 1B when we react N,N-dimethylaniline, but we don;t use it with the other aromatic couplings reagents
Balance the following ionic Lewis structures by placing the appropriate coefficients. Leave a target blank to indicate the absence of a coefficient.
The second order reaction for the breakdown of nitric oxide to its elements has the rate constants of 0.0796 L/mol-s at 737 C and 0.0815 L/mol-s at 947 C. What is the activation energy of this reaction?
Give a detailed mechanism for the nitration of bromobenzene . As part of your answer explain the regiospecificity
what is the enthalpy change per g mol of O2 between the liquid storage tank and the state of which the O2 enters the fuel cell
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