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Explain the role of a salt bridge in a voltaic cell.
Calculate the number of moles of carbon dioxide gas required for a 60-L inflation at both temperatures and then calculate the percent difference in moles.
If I wanted to now add 1.35 M KOH to raise the PH of this common ion by .11 how many milliliters of the KOH would it take
Explain how to determine exclusion limit of a gel of unknown origin.
The energy difference of 3.8 kJ/mol between gauche and anti butane corresponds to an equilibrium constant, Keq, of approximately 1.9. Calculate the percentage of each conformer at equilibrium.
Calculate the average translational kinetic energy (sometimes just called average kinetic energy)
Can liquid burn if it's ambient temperature is below its flash point? Why, or why not?
Please label the peaks, describe any impurities like at 1.5 the isoxazole has water, and tell how many peaks there should be like for an isoxazole there might be 12 peaks
If metallic copper forms on a strip of nickel dipped in 1M CuSO4, what conclusions can be reached about the relative strengths of Ni 2+ (aq) and/vs Cu 2+ (aq) as oxidizers
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of PbO2(s) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
What changes occur to the atomic number and mass of a nucleus during each of the following decay scenarios? What volume of nitrogen gas is produced 67?
The value of delta H for 2CO(g) + O2 (g) = 2CO2(g) is -482 kJ. Calculate the heat released to the surroundings when 38.5 g of O2 (g) reacts with excess CO
Why is acceptable to use a mixture of the alpha and beta anomers of D-(+)-mannose in this reaction? (i.e. why isn't it necessary to use either a pure alpha or the pure beta anomer? 2. What is the role of ferric chloride?
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