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A solution containing 6.3 X a0^-8 M benzene and 2.0 X 10^-7 M cyclohexane gave peal areas of 3950 and 4870, respectively, in a GC experiment. An unknown benzene sample was treated with 1.6 X 10^-5 M cyclohexane. A GC analysis gave these peal areas: 5200 and 8900 for benzene and cyclohexane, respectively. Find the concentration of benzene in the unknown sample.
A reaction where A +B ? C +D has a ? Go' of 5 kcal/mole and the concentrations are for A through D, respectively 10 mM, 5 mM, 2 mM and 3 mM. Find the ?G' and state if favorable or not.
When heated, lithium reacts with nitrogen to form lithium nitride. What is the percent yield of the reaction if 13.9 of Li is heated with 33.3 g of N2 and the actual yield of Li3n is 6.64 g?
Consider two DNA molecules: one 400 base pairs long, the other 800 base pairs long. Assuming that each is a rigid rod of diameter 25 Å, with a length of 3.4 Å per base pai.
How much energy is needed to raise the temperature of 16.0g of gold by 17.0degrees C, Answer in units of J
what is the q solution in Jouls and what is the q rxn in Joules? What is the Delta H rxn in KJ/mo of HNO3 neutralized?
Which molecule is polar? Which of the following is not an ionic compound? Which of the following is not an ionic compound?
256 grams of sodium chloride reacts with an excess of calcium oxide. How many grams of sodium oxide are produced?
if it takes 6.02 kJ of heat energy to melt a mole of ice, how much heat is absorbed when 6.30 g of water melts?
When 6.40 g of CH3OH was mixed with 10.2 g of O2 and ignited, 7.50 g of CO2 was obtained. What was the percentage yield of CO2?
Acid Mixture Problem, From a full 50-liter container of a 40% concentration of acid, x liters is removed and replaced with a 100% acid.
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
In a particular redox reaction, Cr is oxidized to CrO42 and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.
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