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Compute the molar mass that would be obtained from the actual experimental data under the subsequent conditions. The unknown is methyl propyl ether (CH3OC3H7) which has a vapor pressure of 375.2torr at room temperature, 20C. If the volume of the flask is 135 ml the temperature of the bath is 100C as well as atmospheric pressure is 760torr. The average molar mass of air is 29.0 g/mol.
recovering and reusing organic solvents rather than discharging them into a waste stream is an important part of the
Container A holds 712 mL of ideal gas at 2.10 atm. Container B holds 164 mL of ideal gas at 4.50 atm. If the gases are allowed to mix together, what is the resulting pressure
The contents of the closed boxes in each of the depictions below represents a system, and the arrows show the changes to the system during some process. Which of these processes is endothermic? 1.The first diagram has a box with 2 arrows heat(q) a..
when 7.50 g of magnesium reacts with 9.50 g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
How can integral dQrev/T vanish when integrated around a cycle while the cyclical integral of dQrev remains finite
A gamma ray has a frequency of 3.5 x 1019Hz. Determine the wavelength of this radiation in nm and the energy of a photon of this radiation.
Which monatomic ion has a charge of 1+ and the electron configuration [kr] 4d10 5s2. write the element symbol and charge
Prepare a qualitative Born-Haber cycle to explain why only the most electropositive elements form saline hydrides
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 oC. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 oC
The total mass that can be lifted by a balloon is equal to the difference between the mass of gas in the balloon and the mass of air displaced by the balloon. How much mass could be lifted by the balloon stated above. What if the same balloon was ..
The reaction is first-order in N2O5, with the specific rate constant 6.08 x 10-4/s. Calculate the reaction rate at these conditions. a. [N2O5] = 0.200 mol/L b. [N2O5] = 0.319 mol/L
assuming 100 dissociationa calculate the molar concentration of h ions in a solution made by diluting 25 ml of 0.1 m
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