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A pressure gauge indicates the pressure inside a reaction vessel is 326.7 psig. If the barometric pressure is 755 mm Hg what is the vessel's absolute pressure expressed in kPa.
This questions accepts answer with one decimal place only.
A first order reaction has a rate constant of 0.342 sec-^1 at 29.5 degrees C. If the activation energy is 69 kJ, calculate the temperature in degrees C at which the rate constant is 0.428 sec^-1.
what is the pressure of H2 gas collected over water when the total pressure is .980 atm at 25 degrees celsius.
Explain the pH of a buffer system that contains 0.210 M hydrocyanic acid (HCN) as well as 0.160 M sodium cyanide (NaCN)? The pKa of hydrocyanic acid is 9.31.
What are the consequences of removing some of the phase transfer catalyst along with the hot reaction mixture after refluxing
What is the mechanism for the compound with the starting materials maleic anhydride, THF with curved arrows
How many kilojoules of heat is required to completely covert 70.0 grams of water at 66.0° C to steam at 100°C?
the equilibrium constant kc for the following reaction is 2.18 106 at 730degc.h2g br2g 2 hbrgstarting with 3.10 moles
A gas mixture is made by combining 7.9 g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73 L.
questionconsider the reaction 2nobrg --gtbr2g 2no ga sample of pure nobr at a concentration of 0.200 m is allowed to
calculate the volume of air at 30 degrees celcius and 1 atm that is needed to burn completely 10 grams of propane. assume that air is 21 percent oxygen by volume
A 99.11 g sample of a highly radioactive element is determined to contain 0.4271 mol of the element. What is the element
What single reagent could you add that would permit you to differentiate between the members of each pair of solid compounds below
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