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Rates of reactions can be determined by monitoring the change in concentration of either reactants or products as a function of time. Is there reaction even if the concentrations do not change? Why or why not?
describe the change in conductivity as the concentration of the NaCl solution was increased by the addition of NaCl drops
When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become darker (more orange).
Chlorine can be generated by heating together magnesium hypochlorite and hydrochloric acid. Magnesium chloride and water are also formed.
Why is it that when you look into any type of light for a long period of time that blotches of black appear when you look away
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr? Which will be closer to the nucleus?
To me these seem like the should be counted the same way but one is counted from left to right and one from right to left. Why is that. What is the rule. Keep in mind that I am a new chemistry student.
The equilibrium contant Kc for the reaction HF(aq)+H2O(l)-->H30+(aq) +F-(aq) is 3.5 x10^-4. What is the equilibrium concentration of H30+ if the initial concentration of HF is 1.0M.
How many seconds are required to produce 4.94 mg of chromium metal from an acidic solution of potassium dichromate, using a current of 0.234 A?
Draw the structure of the product you would have isolated if you had used NaBD4 in D2O in this experiment and write a mechanism explaining the result. Give the product structure for the same reaction using NaBD4 in H2O.
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 22.5 cm higher than the level in the arm open to the atmosphere andthe atmospher..
What is the cell potential at 25 degrees C for the following galvanic cell? Pb (s) | Pb^2+ (1.0M) || Cu^2+ (1.2x10^-4 M) | Cu (s). If the Pb^2+ concentration is maintained at 1.0 M, what is the Cu^2+ concentration when the cell potential drops to ze..
The use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens are readily abstracted by radicals
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