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They rapidly vibrate.
Yes, they do, but how rapidly depends on the amount of heat (kinetic energy) added to the molecules. If solid, they will eventually melt depending on which solid and what its melting point is. If liquid, they will eventually become a gas or vapor, and a gas will expand indefinitely into the atmosphere if not contained within something.
Think of water: ice heats to liquid water which in turn becomes steam (vapor) which goes out into the atmosphere unless it is contained. If the container cannot expand and the water vapor (or any other gas) continues to be heated, eventually the gas will cause the container to explode because the internal pressure will exceed the ability of the container to hold it.
What else can I help you with?
What happens to atoms of A substance when heat is added?
When heat is added to a substance, the molecules and atoms vibrate faster.
Is heat conducted better the farther apart the molecules in a substance are?
No, heat is the kinetic energy of molecules, the further apart they are the more difficult it is for them to hit one another so as to pass on the motion energy.
What is a measure of the average motion of the molecules in a substance?
When we heat a substance, the energy absorbed is converted into kinetic energy of the particles in it. The faster the particles in it vibrate, move, collide, etc. the higher the temperatureof a substance.So the expected answer is Temperature
Why the specific heat capacity of a substance depends upon phase?
The capacity for an object to be heated and retain heat is determined by its phase because of the way the different phases of matter move. The more freely the molecules are able to move around (like in a gas), the more likely the excited (or warmed up) molecules will leave the group, causing the heat to dispress more quickly.
Why do substance s expand when energy is added to them as heat?
When heat is added to a system, it increases the kinetic energy of the molecules. Increased K.E in system causes molecules to move further away from each other. This causes system to increase in volume. Significant increase in volume might not occur but at microscopic level it definitely changes.
Does the amount of heat in a substance depend on the motion of the molecules?
Yes, the amount of heat in a substance is related to the motion of its molecules. Heat is a form of energy that corresponds to the motion of molecules within a substance. The more heat a substance has, the faster its molecules move.
Is this true or false adding heat to a substance makes its molecules move quickly?
adding heat to a substance makes its molecules to move quickly
What happens to atoms of A substance when heat is added?
When heat is added to a substance, the molecules and atoms vibrate faster.
How does heat affect the movement of molecules in a rubber?
Heat does not affect it. It expands with coolness. It contracts with heat.
What is it called when heat is transferred through a substance by the direct contact of molecules?
Conduction is the process by which heat is transferred through direct contact between adjacent molecules in a substance.
Is Temperature is a measure of the amount of heat stored in a substance?
Temperature is not a measure of the amount of heat stored in a substance. It is the measure of the kinetic energy of the molecules of a substance.
When you heat a substance how does it affect its viscosity?
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Is heat the form of energy because of the motion of molecules?
Yes, heat is a form of energy that is caused by the motion and vibration of molecules in a substance. When molecules move, they transfer energy in the form of heat to surrounding molecules.
What are the various properties of a substance that determine its heat capacity?
The specific heat capacity, density, and mass of a substance are properties that determine its heat capacity. Specific heat capacity is the amount of heat required to raise the temperature of one unit mass of the substance by one degree Celsius. Density and mass affect how much heat the substance can store and how quickly it can absorb or release heat.
Is the measure of the average kinetic energy of the molecules in a substance.?
heat
What is the average amount of energy of motion in molecules in a substance?
Heat/Temperature
What is the average amount of energy motion in the molecules of a substance?
Heat/Temperature
