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Kinetic Molecular Theory

Q. The kinetic-molecular theory provides a model for gases at the microscopic level that explains the physical properties at the macroscopic level. A. True B. False

Solved • Apr 8, 2020

Kinetic Molecular Theory

Q. Two different gases occupy two separate bulbs. (Figure 1) Consider the process that occurs when the stopcock separating the gases is opened, assuming the gases behave ideally. How does the process affect the enthalpy of the surroundings? a) ΔHsurr > 0 b) ΔHsurr < 0 c) ΔHsurr = 0

Solved • Mar 3, 2020

Kinetic Molecular Theory

Q. What is the average speed (actually the root-mean-square speed) of a neon atom at 27°C?

Solved • Feb 22, 2020

Kinetic Molecular Theory

Q. A 1.86 mol sample of N2 gas is confined in a 44.4 liter container at 17.8 °C. If the amount of gas is decreased to 0.930 mol, holding the volume and temperature constant, the pressure will decrease because: Choose all that apply.

Solved • Feb 12, 2020

Kinetic Molecular Theory

Q. A 1.63 mol sample of H2 gas is confined in a 38.2 liter container at 12.7 °C. If 1.63 mol of Xe is substituted for the 1.63 mol of H2, holding the volume and temperature constant, the average kinetic energy will a) not enough information to answer the question b) decrease c) increase d) remain the same

Solved • Feb 12, 2020

Kinetic Molecular Theory

Q. A 1.31 mol sample of N2 gas is confined is a 31.3 liter container at 17.8 °C. If the volume of the gas sample is increased to 62.5 L, holding the temperature constant, the pressure will decrease. Which of the following kinetic theory ideas apply? Choose all that apply.

Solved • Feb 12, 2020

Kinetic Molecular Theory

Q. A 1.77 mol sample of Xe gas is confined in a 42.2 liter container at 17.3 °C. If 1.77 mol of H2 gas is added holding the volume and temperature constant, the average molecular speed of the total system will a) increase b) remain the same c) not enough information to answer the question d) decrease

Solved • Feb 12, 2020