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What is the half-life of a compound if 63 percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
What is effective diffusion coefficient of CH4 in the nanochannel at the feed gas conditions? Is Knudsen diffusion important?
The temperature of the ideal gas in the container shown is 300 K. The gas occupies a volume of 1.27 m3. What would be the volume of the gas if its temperature were decreased to 100 K? No blocks are added to or removed from the lid.
Indicate whether the potassium acetate salt, CH3CO2K is (A) acidic, (B) basic, (N) neutral
use maxwell distribution of speeds to estimate the fraction of CO2 molecules at 300K that have speeds in the range 200 to 250 m/s.
find the ph and the concentration of H2SO3 HSO3- AND SO3^2- in each solution:(a)0.050M H2SO3 (B) 0.050M NaHSO3
According to the following reaction, how many grams of sodium hydroxide will be formed upon the complete reaction of 27.5 grams of water with excess sodium?
Calculate the pZn of a solution prepared by mixing 25.0 mL of 0.0100 M EDTA with 50.0 mL of 0.00500 M Zn2+. Assume that both the Zn2+ and EDTA solutions
what is simple experiment can be performed to confirm that baking soda changes
In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?
Radio wave radiation falls in the wavelength region of 10.0 to 1.00E+3 meters. What is the frequency of Radio wave radiation that has a wavelength of 426 m.
Assuming that your salt was a hydrated form of a sulfate mso4 nh2o calculate n. What values are quoted in handbooks for common hydrates
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