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Effusion

Q. 8. Neon gas is found to effuse through a hole. Careful measurement indicates that 1.42 x 10^-1 mol effused in 5.8 minutes. how long (in min) would it take for the same amount of xenon gas to effuse through the same hole under the same conditions?

Solved • Sep 25, 2019

The Ideal Gas Law

Q. 9. A 2.00 L bottle contains the following gases: 0.0150 mol He, 0.100 mol N2, and 0.00250 mol Xe. If the temperature of the gas mixture is 22.4 degrees C, what is the partial pressure (in atm) of each gas? What is the total pressure (in atm) in the bottle?

Solved • Sep 26, 2019

Electron Configuration

Q. Using the periodic table to locate the element, write the condensed electron configuration of Ni.

Solved • Nov 18, 2019

Electron Configuration

Q. Using the periodic table to locate the element, write the condensed electron configuration of Cu.

Solved • Nov 18, 2019

Electron Configuration

Q. Using the periodic table to locate the element, write the condensed electron configuration of Ru.

Solved • Nov 18, 2019

Cell Potential

Q. Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni^2+(aq) + Cd(s) → Ni(s) + Cd^2+(aq) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. ΔG° for this reaction would be ____ than zero.

Solved • Nov 16, 2019

Electron Configuration

Q. Predict the ground state electron configuration of each ion. Use the abbreviated noble gas notation. Ru2+ and W3+

Solved • Nov 18, 2019