Calculate the concentrations of all species
Calculate the concentrations of all species in a 1.62 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
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calculate the mass of coal (in grams and metric tons) that will be burned in 1 year of operation (1 metric ton = 1 X 10 to the 3rd power kg = 1 X 10 to the 6th power g).
Compounds like {rm CCl_2F_2} are known as chlorofluorocarbons, or {rm CFCs}. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporiz
Suppose that data are stored on a 1.4-Mbyte floppy diskettes that weight 30 g each. Suppose that an airliner carries 10,000 kg of those floppies at a speed of 1000 km/h over a distance of 5000 km. What is the data transmission rate in bits pe
At equilibrium, the flask containing the reacting mixture contains 232 torr CO, 1240 torr Ni(CO)4, and 1.82 g Ni at 510°C. What are the Kc and KP for this reaction.
A solid shaft L 1.9 m long is supported between two bearings. The shaft rotates at 250 rpm. A 20 degree involute gear with PCD 312mm pitche circle diameter is keyed to the shaft at a distance of 150mm to the right of the left bearing.
The density of liquid water at 0 degrees C is 0.9987 g/cm cubed; the density of ice at this same temperature is 0.917 g/cm cubed. Calculate the volume occupied at 0 degrees C by 100. g of liquid water and by 100. g of ice. Calculate the percentage
How does the lewis acid play a role in the mechanism? If it bonds to the double bond O in dimedone, then what is the leaving group during elimination?
a nitrogen molecule is confined in a cubic box of volume 1.00m^3. assuming that the molecule has an energy equal to 3/2kT=300K, what is the value of n=(n(subx)^2+n(suby)^2+n(subz)^2)^(1/2) for this molecule? what is the energy separation between
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When working with a non-ambulatory male patient who needs to void, O ask the patient how much assistance they feel they need
What muscle fiber arrangement can be seen in the pectoralis major muscle? a) Convergent muscle b) Fusiform muscle c) Circular muscle
Which of the following must be included in the initial discussion with a client who becomes pregnant while taking psychiatric medications?
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What is the name of the heart valves located between the atria and ventricles that keep blood moving in only one direction?
Question: According to the size principle of motor recruitment, in what order will muscle fibers be recruited during activity?
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