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Answered 2011-05-23 04:19:20

The warmer the temperature, the faster the particles move.

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What is the measure of the average kinetic energy of the particles in a substance called?

Temperature, which is the average kinetic energy of all the particles that make up a substance. :0temperature

Heat is what in motion?

As energy is added to a substance, the particles that make up the substance vibrate faster. This is what causes substances to change state (solid to liquid to gas). As the particles move faster, the structure changes.

What are the role of particles in the transfer of heat?

When energy is transfered to a system of particles, the system is said to be heated. The particles absorb this energy and convert it to kinetic energy, causing their translational motions to increase. Temperature is a measure of the average translational motion of particles. Hence, heating an object causes the particles that make up that object to move more and these motions manifest themselves in what we know as the temperature of the object. In fact in the absolute temperature scale of thermodynamics a zero temperature corresponds to a system of particles in which there is no motion.

What substances evaporate?

Any substance with a vapor pressure that has a high vapor pressure. Vapor pressure is effected by temperature, pressure, the mass of the particles, and the nature of the attractive forces between the particles that make up that substance.

How do the particles move in solids?

Particles within are limited to vibrational motion, unlike the particles which make up liquids which can have vibrational & translational motion, and gaseous particles which have vibrational, translational and rotational motion.

Are the particles of a pure substance identical to the particles to another pure substance?

I don't think so because in order to make one substance the atoms have to be arranged in a certain way to make the pure substance.

Particles that make up matter are in a state of what?

Particles that make up matter are in a state of constant motion.

Thermal energy or heat energy?

Thermal Energy is the energy that comes from the random motion of the particles the make up a substance. The greater the movement of particles the greater the temperature. Movement. > TemperatureAnswerThe terms, 'thermal energy' and 'heat energy' are obsolete. The modern term for what used to be called 'thermal energy' or 'heat energy' is 'internal energy'. These days, 'heat' is considered not to be a 'form of energy', but energy in transit between a higher temperature to a lower temperature.

Is temperature a measure of the kinetic energy of an object?

Yes. Temperature in Kelvins a measure of the average kinetic energy of the particles that make up the substance. The higher the temperature the greater the kinetic energy. The lower the temperature the lower the kinetic energy. At absolute zero there is no movement of particles, hence no kinetic energy.

Tiny particles in motion make up all matter?

All matter is made up of 'atoms', which are generally treated as tiny particles, although they have been shown to also have the properties of waves (just like light has both particle and wave nature). They are constantly in motion, and move faster in matter at a higher temperature. The temperature at which this motion is zero is -273C or 0K, absolute zero and is impossible to achieve.

Why does a substance expand when heated?

the substance expands when heated because the particles that make up the substance is trying to get out and escape the heat.

What do you add to kinetic energy to increase heat?

This doesn't really make sense. If you apply heat to a substance you increase the kinetic energy of its particles, which we perceive as an increase in temperature.

What tiny particles in motion make up all matter?

The tiny particles in motion make up all matter are called atoms. Atoms in solids move much less than atoms in gases.

What law states all matter is made of small particles that are in motion?

I think you may be talking about the Kinetic theory of Molecules, which relates the temperature of matter (relative to absolute zero) to the average velocity of the molecules which make it up. For gases, it could be the Ideal Gas Law, which assumes that the gas is small particles whizzing around. You also may be thinking of Brownian Motion, which is not a law, but a phenomenon where extremely tiny particles can be observed to be buffeted by other random motion of molecules and particles.

Why is there a difference between the heat of materials?

The amount of Heat that a substance contains is in direct relation to its Kinetic Energy. Kinetic energy is also called the energy of Motion. The hotter a substance, the more is its kinetic energy and thusly, the faster is the speed of motion of individual particles (either atoms or molecules) that make up , or comprise, the substance. Burns occur by the too rapid transfer of this kinetic / heat energy.

What do thermometers actually detect about the moving particles that make up a sample of matter?

Thermometers actually detect the temperature of moving particles in motion. Both mercury and alcohol (substances in thermometers) grow bigger when heated and smaller when cooled. Inside the glass tube of a thermometer, the liquid has no place to go but up when the temperature is hot and down when the temperature is cold.

Which form of energy depends on both the motion and the arrangement of particles that make up matter?

Mechanical energy depend on motion and height. For example- a flying bird.

What does All particles of one substance are identical really mean?

simply all particles of one substance are identical means just that. all of the particles that make up a piece of matter are the same. an example of this is water. if you look at water under a microscope, you will see that all of the particles that make up the water are identical.

Why is it not possible to make anything colder than 0 kelvin?

Because the temperature of something is calculating the average speed the particles are moving however when an object or substance reaches 0K the particles stop moving so it is at what scientists call Infinite cold.

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