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Temperature is an indirect measurement of a system's molecule's average kinetic energy (KE). As the temperature of a system increases, so does the KE of the molecules. This causes the molecules to move farther apart. You can see this most easily in an old (not digital) thermometer.
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What is the distance between water and sodium ion in solution?
The distance between water molecules and sodium ions in solution is typically around 2.35 angstroms when fully hydrated. This distance can vary depending on the specific conditions of the solution, such as temperature and concentration.
If the distance between two objects increases the electric force does what?
When the magnitude of the charges increase definitely electrostatic force also increases. Because the force is directly proportional to the product of their charges. When the distance between them increases then force decreases because the force is inversely proportional to the square of the distance between the charges.
What is a main reason that an increase in temperature increases the rate of a chemical reaction?
Temperature is the measure of the average kinetic energy of the molecules involved. If the temperature increases, then the kinetic energy of the molecules increases and they move faster. Faster moving molecules have more collisions with other molecules and more forcefully. For a reaction to occur, the molecules have to line up correctly and with adequate force. By increasing the speed of the particles, you are increasing the chance that the two molecules will align and produce a reaction.
How does permittivity of air change with altitude?
The permittivity of air generally remains constant with altitude in the Earth's atmosphere. However, it can be influenced by factors like temperature, pressure, and humidity, which can vary with altitude. Overall, for typical atmospheric conditions, the permittivity of air stays relatively stable up to several kilometers above the Earth's surface.
Why is the relationship between pressure and temperature direct?
The relationship between pressure and temperature is direct because as temperature increases, the average kinetic energy of the gas molecules increases, leading to more frequent and forceful collisions with the walls of the container, resulting in higher pressure. Conversely, as temperature decreases, the average kinetic energy and pressure decrease.
What is the relationship between the speed of gas molecules and the temperature of a gas?
The speed of gas molecules increases as the temperature of a gas increases.
What a temperature increases affect collisions between molecules?
thermal effect
How does the increase in molecular motion affect the spacing between molecules?
As molecular motion increases, the spacing between molecules also increases. This is because the molecules move faster and spread out more, leading to a greater distance between them.
What is the average distance between oxygen molecules at Standard Temperature and Pressure (STP)?
The average distance between oxygen molecules at Standard Temperature and Pressure (STP) is approximately 3.3 nanometers.
During which phase change does the average distance between molecules always increase?
During the phase change from a liquid to a gas, the average distance between molecules always increases.
How does temperature affect the elasticity of fabric?
a higher temperature increases elasticity to fabric as temperature breaks bonds between molecules of the fabric
What is the relationship between temp and solubility for kno3?
The solubility of KNO3 generally increases with temperature. As temperature increases, more kinetic energy is provided to the molecules, allowing them to break apart and dissolve more easily. This relationship is typical for many solid solutes in water.
How thermal expansion takes place in a solid and in a gas?
In a solid, thermal expansion occurs as the temperature increases, causing the atoms or molecules to vibrate more, increasing the average distance between them. As a result, the solid expands in all directions. In a gas, thermal expansion occurs as the temperature increases, causing the gas molecules to move faster and spread out, increasing the volume of the gas.
What causes warm air to be less dense?
Warm air is less dense than cold air because the molecules in warm air have higher kinetic energy, causing them to move farther apart from each other. This increased distance between molecules decreases the air's density.
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.
As the temperature of a substance increases its volume tends to increase due to what?
As the temperature of a substance increases, the average kinetic energy of its molecules also increases. This increased kinetic energy causes the molecules to move more rapidly and spread out, leading to an increase in volume. The expansion of the substance is due to the increased space between the molecules as they move more freely.
What happens to the speed at which molecules are moving?
The speed at which molecules are moving increases as temperature increases, since temperature is a measure of the average kinetic energy of the molecules. This leads to an increase in the rate of collisions between molecules and an increase in the overall kinetic energy of the system.
