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Air temperature is a measure of the?
a measure of molecular motion
Temperature is an indication of what?
Molecular motion / kinetic energy.
What is the relationship between molecular motion and pressure.?
The relationship between molecular motion and pressure is described by the kinetic molecular theory, which states that gas pressure results from collisions between gas molecules and the walls of a container. As molecular motion increases—due to higher temperature, for example—the frequency and force of these collisions also increase, leading to higher pressure. Conversely, if molecular motion decreases, the pressure decreases as well. Thus, pressure is directly related to the average kinetic energy of the molecules in a gas.
Is absolute zero the temperature at which there is no molecular motion.?
Yes, absolute zero is the temperature at which particles have minimum kinetic energy, resulting in minimal molecular motion. At this temperature, particles theoretically stop moving entirely.
Molecular motion in a gas is the minimum possible at?
The molecular motion in a gas is at its minimum possible at absolute zero temperature. At this temperature, the molecules have almost zero kinetic energy, causing them to come to a stop and exhibit minimal motion.
What is the temperature at which molecular energy is at a minimum?
The temperature at which molecular energy is at a minimum is known as absolute zero, which is equivalent to 0 Kelvin or -273.15 degrees Celsius. At this temperature, molecular motion ceases, and particles have the least possible energy.
Casey remembers that molecular motion increases as temperature increases. Identify what effect increased molecular motion.?
Increased molecular motion leads to higher kinetic energy among the molecules in a substance. This causes the molecules to move more rapidly and collide with each other more frequently. Consequently, temperature and molecular motion are directly related due to the kinetic energy of the molecules.
What molecular changes happen when thermal energy is added or removed from nitrogen?
When thermal energy is added to nitrogen, the molecular motion increases, causing the molecules to vibrate and move more rapidly. This results in an increase in temperature. When thermal energy is removed, molecular motion decreases, leading to a decrease in temperature. The phase of nitrogen may change depending on the temperature, transitioning between solid, liquid, and gas states.
What is a measure of the average of motion of molecular?
The measure of the average motion of molecules is temperature. Temperature is a reflection of the average kinetic energy of the molecules in a substance.
What temperature scale places zero at the point where all atomic and molecular motion ceases?
The temperature scale that places zero at the point where all atomic and molecular motion ceases is called the Kelvin scale. On the Kelvin scale, this point is defined as absolute zero, which is equivalent to 0 Kelvin (0K).
What does Molecular Motion mean?
Molecular motion refers to the movement of molecules in a substance, which is manifested through various forms like translation, rotation, and vibration. This motion is driven by factors such as temperature and energy, and it affects the physical properties and behavior of substances. Understanding molecular motion is crucial in fields like chemistry and physics for explaining phenomena like diffusion and phase transitions.
Is molecular movement directly related of inversely related to temperature?
Molecular movement is directly related to temperature. As temperature increase, the additional energy is absorbed by the molecules. This energy is converted to motion energy and the molecules will move faster.
