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Why the temperature does not rise during the process of melting and boiling though the heat energy is constantly supplied?
During the process of melting and boiling, the heat energy supplied is being used to break the intermolecular forces holding the substance together. This energy is known as latent heat and does not result in a temperature increase because it is being used to change the state of the substance rather than raise its temperature. Once all the substance has melted or boiled, any additional heat energy supplied will then raise the temperature.
Which substance absorbed more heat water or soil?
Water has a higher specific heat capacity than soil, meaning it can absorb more heat per unit mass. Therefore, water is able to absorb more heat than soil when both substances are exposed to the same amount of energy.
What is specific heat a measure of?
The amount of energy it takes to change the temperature of a substance by a certain amount. How much energy it takes to heat a substance ~APEX
What substance below requires the most energy to raise its temperature by 7 degrees C?
water
How does land and water absorb and release heat?
Land absorbs and releases heat faster than water due to its lower specific heat capacity. Specific heat is the amount of energy needed to raise the temperature of a substance by 1 degree Celsius. Water's higher specific heat allows it to absorb and release heat more slowly than land, which leads to more stable temperatures near water bodies.
What is the ability of a substance to absorb heat energy is called?
Specific heat capacity describes how much heat energy that is needed to raise the temperature of material.
How does temperature affect solubility of a substance which involves endothermic process in forming a solution?
endothermic substances absorb energy when dissolved. Therefore supplying energy(heat) externally will increase the solubility.
Do substances absorb or release heat energy as then change from a liquid to the solid phase?
When a substance changes from a liquid to a solid it releases energy. (You take the heat out)
Why do endothermic reactions absorb heat?
a process or reaction in which the system absorbs energy from the surroundings in the form of heat.
How does an endothermic process differ from an exothermic process?
An endothermic phase change is when the substance absorbs energy from its surroundings (melting, vaporization).In an exothermic phase change the substance releases energy to its surroundings (freezing, condensation)..
When Substances that absorb light convert it to .?
When substances that absorb light convert it, they typically transform the light energy into heat energy. This process involves the absorption of photons, which excites electrons within the substance, leading to increased molecular vibrations that result in heat. Additionally, some materials may convert light energy into chemical energy through processes like photosynthesis.
Does freezing absorbs heat energy?
Yes, freezing involves removing heat energy from a substance, causing it to lower in temperature and eventually solidify. This process absorbs heat energy from the substance itself and its surroundings.
What does absorb heat mean?
Absorbing heat means taking in thermal energy from the surroundings, causing a temperature increase in the absorbing material. This process is common in objects or substances that have the ability to absorb and store heat energy.
What processes absorb sensible heat?
Processes such as melting, boiling, and sublimation absorb sensible heat. Sensible heat is the heat required to change the temperature of a substance without a change in phase. When a substance undergoes these processes, it absorbs energy to break intermolecular forces and change its state.
When 1 kg of a substance changes from solid to liquid at its melting point it must absorb an amount of heat equal to which of the following?
The heat absorbed during the melting process is known as latent heat of fusion. For 1 kg of a substance changing from solid to liquid, it must absorb an amount of heat equal to the latent heat of fusion for that substance at its melting point.
Does a combustion reaction give off or absorb heat?
It's an exothermic reaction, which means it gives off heat.
How can you tell if something is a good insulator based on its specific heat?
Specific heat is a measure of how much heat energy a substance can absorb before its temperature changes. Typically, substances with higher specific heat are better insulators because they can absorb more heat energy without changing temperature quickly. Therefore, a substance with a higher specific heat is usually a good insulator.
