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What happens to the thermal energy of a substance during a physical change of state?
it will increase or decrease depending on the states. from solid --> liquid or liquid --> gas it is positive and endothermic, and thermal energy is increasing from liquid --> solid or gas --> liquid it is negative and exothermic, and thermal energy is decreasing
True or False- Energy is transferred as heat from a substance at high temperature to a substance at low temperature?
True. Heat is transferred from a substance at high temperature to a substance at low temperature to reach thermal equilibrium.
What is the difference between temperature and heat energy?
Temperature is a measure of the average kinetic energy of the particles in a substance, while heat energy is the total energy transferred between substances due to a temperature difference. In simpler terms, temperature tells us how hot or cold something is, while heat energy tells us how much thermal energy is being transferred.
Why does the substances temperature stay the same when changing its state?
When matter is changing state the temperature remains constant because the energy being put into the process is being used to change the state of the matter, whereas when the matter is not changing state, the energy being put into the process is used to raise the temperature.
What causes the particles of a substance to lose thermal energy?
The particles in a substance lose thermal energy as the temperature decreases, because the particles are moving and vibrating less.
Is the thermal energy that flows from one substance to another when the substances differ in temperature?
Yes, thermal energy flows from a substance with a higher temperature to a substance with a lower temperature. This transfer of energy is known as heat transfer and occurs until thermal equilibrium is reached between the two substances.
When two substances come into contact with each other the substance will transfer heat to the substance?
When two substances come into contact, heat will flow from the substance with higher temperature to the substance with lower temperature. This transfer of heat will continue until thermal equilibrium is reached, where both substances have the same temperature.
When have a hot and cold substance which direction does thermal energy flow?
Thermal energy flows from the hotter substance to the colder substance until thermal equilibrium is reached, where both substances reach the same temperature.
What is difference between temperature thermal energy and heat?
la la la
How are thermal energy and temperature difference related?
Thermal energy and temperature difference are related because thermal energy is the total energy of the particles in a substance, while temperature difference is the measure of the difference in average kinetic energy of particles between two substances or within a substance. In simpler terms, thermal energy is the total energy present in a substance, while temperature difference is the measure of how much hotter or colder one substance is compared to another.
Most substances in temperature and when heat is added to them.?
Most substances increase in temperature when heat is added to them. This is due to the absorption of thermal energy, which causes the particles within the substance to move faster, leading to an increase in temperature.
How is the themal energy of a substance?
The thermal energy of a substance is a measure of the total kinetic energy of its particles. It is directly proportional to the temperature of the substance. As the temperature increases, the thermal energy of the substance also increases.
How can you add thermal energy to a substance without increasing the temperature?
You can add thermal energy to a substance without increasing its temperature by adding hot water. As the thermal energy of the substance increases, the particles of the substance expands. That is how you can open a bottle by putting it under hot water.
When heat is added or removed from a substance where is the thermal energy going?
When heat is added to a substance, the thermal energy increases the kinetic energy of the particles in the substance, causing them to move faster. When heat is removed, the thermal energy decreases, and particles slow down. Therefore, the thermal energy is transferred to or from the particles in the substance, changing their motion and temperature.
Can kinetic energy move from a substance at one temperature to a substance at a a different temperature?
Yes, kinetic energy can transfer between substances at different temperatures through the process of heat transfer. Heat will flow from a substance at a higher temperature to a substance at a lower temperature until they reach thermal equilibrium.
How does a substance gain thermal energy?
A substance gains thermal energy when it absorbs heat from its surroundings. This can happen through various processes, such as conduction, convection, or radiation. The thermal energy causes the particles in the substance to move faster, increasing its temperature.
What is the temperature in a substance with a large amount of thermal energy?
The temperature of a substance with a large amount of thermal energy will be higher compared to a substance with lower thermal energy. Thermal energy is directly related to temperature, so as the amount of thermal energy increases, the average kinetic energy of the particles in the substance increases, leading to a higher temperature.
