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Draw the structure of the potential product if an elimination reaction takes place instead of substitution? NaBr + H2SO4 ---> HBr + NaHSO
Rubidium has two naturally occurring isotopes with the following masses and natural abundances, Calculate the atomic weight of rubidium.
the brown gas no2 and the colorless gas n2o4 exist in equilibrium. in an experiment 0.625 mole of n2o4 was introduced
The rate constant of some reaction double with 10 degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
At room temperature (20^circ rm C), milk turns sour in about 63 hours. In a refrigerator at 3^circ rm C, milk can be stored three times as long before it sours. Estimate the activation energy of the reaction that causes the milk to sour.
The reaction 2A ---> B + C has a Kc of 0.2. The reaction is commenced with initial concentrations [A] = 0.2 M, [B] = 0.2 M and [C] = 0.2 M. In what direction does the reaction occur?
Show the change in oxidation number (give number of electrons gained or lost per atom: e.g., 3e- gained) in the following reactions:
In a gas mixture, the partial pressures are nitrogen 420 torr , oxygen 125 torr , and helium 245 torr. What is the total pressure (torr) exerted by the gas mixture?
Compute the number of moles of H2O will be formed from the reaction 75.1g benzene?
Define detection limit. Does a compound with high molar absorptivity have a higher or lower limit of detection than a compound with low molar absorptivity
Write the equations describing the electrode reactions and the net cell reaction for this electrochemical cell containing indium and cadmium:
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
calculate the freezing point and boiling point of each of the following solutions: a)65.0g of glucose,C6H12O6, anonelectrolyte, added to .112kg of water
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