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Glucose is a main energy-yielding nutrient for most cells. Presuming a cellular concentration of 1 mM, compute how many molecules of glucose would be present in our hypothetical as well as spherical eukaryotic cell. Avogadro's number, the number of molecules in 1 mol of a non ionized substance, is 6.02 X1023).
a zero-order reaction has a constant rate of 3.40times10-4 . if after 45.0 seconds the concentration has dropped to
The solution diluted in half by water (1 mL of X and 1 mL of H2O) has an absorbance at 425 nm of 0.8 and a molar extinction coefficient of 1.5 ? 103 M-1 cm-1. What is the molar concentration of the original solution of X? (1 cm cuvette)
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
Calculate the standard enthalphy change for the following reaction.
the second line of the balmer series occurs at a wavelength of 486.13 nm. what is the energy difference between the
What was the experimentally determined specific heat of lead. You may assume that the heat absorbed by the calorimeter was negligible.
how many liters of oxygen gas can be produced at stp from the decomposition of 0.125 l of 3.00 m h2o2 in the reaction
At 55.0 degrees C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 259 g of water? The vapor pressure of water at 55.0 degrees C is 118 mmHg. Assume complete dissociation of the solute.
One milliliter of carbon monoxide gas contains 8.92 X 10^-5 moles of carbon monoxide. One milliliter of water contains 5.55 X 10^-2 moles of water. Which contains more atoms
Calcule the platinum electrode potential (vs. NHE), immersed in solution containing 0.50 M Br2 KBrO3 0.20 M at pH = 2.5
explain the major departure of the marginalist school from the classical political economists. how did it change the
at 30oc the decomposition of hydrogen iodide into hydrogen and iodine is a second-order reaction. the rate constant for
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