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Which reaction responds more strongly to changes of temperature, one with an activation energy of 52 kJ mol-1 or one with an activation energy of 25 kJ mol-1?
The conversion of glucose into lactic acid drives the phosphorylation of 2 moles of ADP to ATP and has a deltaG= -135 kJ/mol. What is the deltaG for the conversion of glucose into lactic acid
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
At a certain temperature, Keq = 150. Calculate the concentrations of Fe 3+ and SCN- in a solution that has an equilibrium FeSCN2+ concentration of 4.5 X 10^-5 M using the equation . Assume the equilibrium concentrations of Fe3+ and SCN- are equal.
What happens to the time at which the mid point of the breakthrough curve exists the column if the particle size is halved but the adsorption isotherm and column size stay the same?
A balloon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a volume of 102 L and a pressure of 131 atm at 23 celsius
Explain how the calculated formula of the hydrate would be changed if water from the air is absorbed by the hot dry sample as it cools.
If a mixture of gases contained 78% nitrogen at a pressure of 984 torr and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
A gas sample containing 1.47 mol at 25°C exerts a pressure of 401 torr. Some gas is added to the same container, and the temperature is increased to 50.°C. If the pressure increases to 800. torr,
1) Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 166.00pm 2) What wavelength of light would have sufficient energy to ionize the atom
A buffer is made by dissolving H3PO4 and NaH2PO4 in water. Write and equation that shows how this buffer neutralizes added bases.
William places 20 mL of a 2.6 M sulfuric acid solution into a small flask with a few drops of phenolphthalein indicator. He fills a buette with and 1M NaOH. How many mL of the NaOH solution will he use when the solution in the flask just turns pin..
Write a balanced chemical equation for the following reaction in an acidic solution. Cr2O72-(aq)+Br-(aq)>>Cr3+(aq)+Br2(aq)
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