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A certain mass of gas in a 9.7 L container has a pressure of 157 kPa. When the volume is reduced to 4.5 L with no change in temperature, what is the new pressure of the gas?
calculate the temperature of the solution after the CaCl2 dissolves. (Assume no heat is lost to the container or the surroundings and the specific heat of the solution is the same as that of water.)
What is the theoretical yield of this friedal-crafts alkylation to make 1,4-di-t-butyl-2,5-dimethoxybenzene
Describe in detail how you would prepare 300 mL of aqueous 0.200M sodium sulfate. What mass of sodium sulfate is needed
Question- If a reaction take 10 minutes to reach completion, how many minutes would the same reaction require if an enzyme that increases the reaction rate one million times were added to the reaction mixture
Hydrofluoric acid dissociates in water as represented by the above equation With Ka = 7.2 * 10^-4
consider the titration of 100.0 ml of 0.200 m acetic acid ka 1.8 10-5 by 0.100 m koh. calculate the ph of the
The pH of human muscle fluids is 6.8. Calculate the value of H3O+ in muscle fluid at 25 degrees Celcius. The answer should be in scientific notation.
Give the schrodinger equation for this system in as much detail as possible. Show that psi=N/x is a solution to the schrodinger equation for this system. what is the energy
How can you separate the three compounds used in a experiment by extraction if you begin the process (by mistake) with an aqueous NaOH-solution (instead of NaHCO3- solution)
Experimentally it was observed that naphthalene could be selectively ionized by sequentially absorbing three photons at a wavelength of 363.24 nm. What was the experimental ionization energy for naphthalene in kJ/mole
2.914 gram sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temperature greater than 170 degrees celcius in a crucible until a constant mass is reached.
A 0.5212 g sample of an unknown monoprotic acid was titrated with 9.96 X 10^-2 M NaOH. The equivalence point of the titration occurs at 23.92 mL. Determine the molar mass of the unknown acid.
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