Homework Answers
The following statements are true for ideal gases, but is not always true for real gases
1. Collision between molecules are elastic. Energy is lost when real gases collide and hence the collision between real gases are not elastic.
2. There are no attractive forces between molecules. However there are attractive forces between real gas molecules that are significant at low temperatures.
3. The size of the molecules is unimportant compared to the distances between them. However in case of real gases the size of yhe molecules become significant at high pressures.
The fourth statement i.e., Molecules are in constant random motion holds true for both ideal and real gases.
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Which of the following statements is true for ideal gases, but is not always true for...
Part A) Which of the following statements is true for ideal gases, but is not always...
Part A) Which of the following statements is true for ideal gases, but is not always true for real gases? Choose all that apply. Molecules are in constant random motion. Pressure is caused by molecule-wall collisions. The size of the molecules is unimportant compared to the distances between them. The volume occupied by the molecules is negligible compared to the volume of the container. Part B) Which of the following statements is true for real gases? Choose all that apply....
Which of the following statements is true tor real gases? Choose all that apply. As molecules...
Which of the following statements is true tor real gases? Choose all that apply. As molecules increase in size, deviations from ideal behavior become more apparent at relatively high pressures. Attractive forces between molecules cause a decrease in pressure compared to the ideal gas. The volume occupied by the molecules can cause a decrease in pressure compared to the ideal gas. As molecules increase in size. deviations from ideal behavior become more apparent at relatively low pressures.
Which of the following statements is true for real gases? Choose all that apply Attractive forces between molecul...
Which of the following statements is true for real gases? Choose all that apply Attractive forces between molecules cause a decrease in pressure compared to the ideal gas. Attractive forces between molecules cause an increase in pressure compared to the ideal gas. As molecules increase in size, deviations from ideal behavior become more apparent at relatively low pressures. As attractive forces between molecules increase, deviations from ideal behavior become more apparent at relatively low temperatures. Compute the root-mean-square speed of...
Which of the following statements is true for real gases? Choose all that apply. As molecules...
Which of the following statements is true for real gases? Choose all that apply. As molecules increase in size, deviations from ideal behavior become more apparent at relatively low pressures. The volume occupied by the molecules can cause a decrease in pressure compared to the ideal gas. As molecules increase in size, deviations from ideal behavior become more apparent at relatively high pressures. The volume occupied by the molecules can cause an increase in pressure compared to the ideal gas.
- A 1.31 mol sample of Kr gas is confined in a 32.4 liter container at...
- A 1.31 mol sample of Kr gas is confined in a 32.4 liter container at 28.0 °C. If the temperature of the gas sample is raised to 43.1 °C holding the volume constant, the average molecular speed will a) not enough information to answer the question b) decrease c)remain the same d) increase -Which of the following statements is true for real gases? Choose all that apply. Attractive forces between molecules cause a decrease in pressure compared to the...
Which one of the following statements is not correct? a. An increase in temperature causes an...
Which one of the following statements is not correct? a. An increase in temperature causes an increase in gas pressure because the average force of molecules colliding with the walls of the container increases. b. An increase in temperature causes an increase in gas pressure because the frequency of molecules colliding with the walls of the container increases. c. Real gases deviate from ideal gases because of the finite size of the molecules and the attractive and repulsive interactions between...
Which of the following are not properties of ideal gases? [Select all that apply.] The gas...
Which of the following are not properties of ideal gases? [Select all that apply.] The gas molecules repel one another The gas molecules experience elastic collisions Kinetic energy is converted into potential energy when the gas molecules collide The gas molecules form dispersion forces with one another. The gas molecules form hydrogen bonds with each other The gas molecules are physically large, occupying a significant volume of space relative to the volume of their container.
Real gases tend to exhibit non-ideal behavior because their particles possess which properties? i. Attractive forces bet...
Real gases tend to exhibit non-ideal behavior because their particles possess which properties? i. Attractive forces between molecules ii. attractive forces between molecules and their containers (<-- is this true at all??) iii. finite volume a. i only b. ii only c. iii only d.i, ii, iii e. i and ii only
Which of the following is not part of the kinetic-molecular theory? a) The volume occupied by all of the gas molecules...
Which of the following is not part of the kinetic-molecular theory? a) The volume occupied by all of the gas molecules in a container is negligible compared to the volume of the container. b) Collisions between gas molecules do not result in the loss of energy. c) Attractive and repulsive forces between gas molecules are negligible. d) Gases consist of molecules in continuous, random motion. Atoms are neither created nor destroyed by ordinary chemical reactions
which of the following statements is least likely to be true of a sample of nitrogen gas? a.The pressure exerted by...
which of the following statements is least likely to be true of a sample of nitrogen gas? a.The pressure exerted by gaseous nitrogen is due to the collisions of the molecules with the wall of the container. b. collisions between the gaseous molecules are elastic c. The volume of the sample would be zero at -273C d. The average kinetic energy of the gaseous nitrogen is proportional to the absolute temperature of the gas. e. Molecules of gaseous nitrogen are...
Which of the following statements is true tor real gases? Choose all that apply. As molecules increase in size, deviations from ideal behavior become more apparent at relatively high pressures. Attractive forces between molecules cause a decrease in pressure compared to the ideal gas. The volume occupied by the molecules can cause a decrease in pressure compared to the ideal gas. As molecules increase in size. deviations from ideal behavior become more apparent at relatively low pressures.
Which of the following statements is true for real gases? Choose all that apply Attractive forces between molecules cause a decrease in pressure compared to the ideal gas. Attractive forces between molecules cause an increase in pressure compared to the ideal gas. As molecules increase in size, deviations from ideal behavior become more apparent at relatively low pressures. As attractive forces between molecules increase, deviations from ideal behavior become more apparent at relatively low temperatures. Compute the root-mean-square speed of...
Which of the following statements is true for real gases? Choose all that apply. As molecules increase in size, deviations from ideal behavior become more apparent at relatively low pressures. The volume occupied by the molecules can cause a decrease in pressure compared to the ideal gas. As molecules increase in size, deviations from ideal behavior become more apparent at relatively high pressures. The volume occupied by the molecules can cause an increase in pressure compared to the ideal gas.
Which of the following are not properties of ideal gases? [Select all that apply.] The gas molecules repel one another The gas molecules experience elastic collisions Kinetic energy is converted into potential energy when the gas molecules collide The gas molecules form dispersion forces with one another. The gas molecules form hydrogen bonds with each other The gas molecules are physically large, occupying a significant volume of space relative to the volume of their container.
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