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Which phase of matter exhibits molecular motion?
Boiling or gas
Does molecular motion decrease when water is boiling?
No, molecular motion actually increases when water is boiling. When water reaches its boiling point, the molecules absorb enough heat energy to break free from the liquid phase and transition into the gaseous phase, leading to increased molecular motion.
How does matter physically change when it changes its phase or state?
Its motion changes speed on the molecular level
What change in state involves a decrease in molecular motion?
The change from a gas to a liquid involves a decrease in molecular motion. In this phase transition, the particles come closer together, reducing their kinetic energy and resulting in a more ordered arrangement.
Which change in state involves a decrease in molecular motion?
The change from a gas to a liquid involves a decrease in molecular motion. In this phase transition, particles lose energy and come closer together, resulting in a decrease in their overall movement and a more ordered arrangement.
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.
How do the molecular energy molecular motion and overall mass of a substance change when matter changes state?
When matter changes state, the molecular energy generally increases as heat is added or decreases as heat is removed. Molecular motion increases as the substance transitions from a solid to a liquid to a gas. The overall mass of the substance remains the same throughout the phase change process, as no particles are added or removed.
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 happens to temperature as energy is added to a substance that is changing state?
The temperature remains constant during a change of state as the energy is used to break intermolecular bonds rather than increase molecular motion. Once the substance has completely changed state, the temperature will start to rise again as the added energy increases the molecular motion.
What is the order of the phases of water in order from the phase with the slowest molecular movement to the phase with the fastest molecular movement?
The order of the phases of water from the slowest to the fastest molecular movement is solid (ice), liquid (water), and gas (water vapor). In the solid phase, molecules are closely packed and vibrate in place, leading to minimal movement. In the liquid phase, molecules are more mobile and can slide past each other, while in the gas phase, molecules move freely and rapidly, resulting in the fastest molecular movement.
The phase in which atoms and molecules no longer move is?
The phase in which atoms and molecules no longer move is called the absolute zero or the absolute zero point of a system, when the temperature drops to 0 Kelvin (-273.15 degrees Celsius). At this point, all molecular motion ceases.
How can one determine the phase constant in simple harmonic motion?
The phase constant in simple harmonic motion can be determined by analyzing the initial conditions of the motion, such as the initial position and velocity of the object. It represents the starting point of the motion within the cycle of oscillation. By using these initial conditions and the equation of motion, the phase constant can be calculated.
