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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.
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Can two substances have the same specific heat?
Yes, it is possible for two substances to have the same specific heat if they have similar atomic or molecular structures. However, it is more common for substances to have different specific heat values based on their composition and the way their atoms or molecules interact with heat energy.
Is changing the state of matter changing its material?
It may change its measurable properties but a simple state change is brought on by an increase or decrease the energy content of the material and does not alter the material from one material to another.
How can a matter change from solid state to liquid state and reverse the process?
At a unique temperature, called the "freezing point", for each pure substance at a constant pressure, a solid form of the substance can change from solid to liquid phase by absorbing heat energy from its environment without raising the temperature of the substance, and, at the same temperature and pressure, a liquid phase of the same substance, can solidify without changing its temperature if it can transfer heat energy to the external environment.
What happens if the particle of two substances have the same average kinetic energy?
the specific heats of the substances are identical the particels will not react chemically the substances have equal theraml energies the substances have equal temps hop it helped sorry if it didnt
Most substances that have molecules with approximately the same weight as water molecules are gases at room temperature. Water is a liquid at room temperature. Water is a liquid at room temperature be?
...because water molecules have strong intermolecular forces (hydrogen bonding) holding the moelcules together in the liquid state. Most other substances with similar molar mass do not exhibit hydrogen bonding, and thus they exist as gases.
What happens to substances temperature during a change of state?
Temperature remains constant
Can the temperature at which a substance melts is the same temperature at which it changes from liquid to solid?
Yes. Melting point is changing from a solid to liquid & freezing point is changing from a liquid to a solid. Both occur at the same temperature & these terms are usually used interchangably, although melting point is probably used more often than freezing point.
Do all substances melt at the same temperature as water?
no
When solid changes into liquid?
Solids changing to liquids are melting Liquids changing to solids are freezing Solids changing to gas are subliming Liquids changing to gas are boiling Gases changing to liquids are condensing.
Can heat transfer occur when two substances are the same temperature?
No, heat transfer occurs due to a temperature difference between two substances. If both substances are at the same temperature, there is no temperature gradient to drive heat transfer, so no heat transfer will occur.
Why same amount of heat supplied to same amount of different substances does not produce the same increase in temperature?
There is a formula in physics ΔQ=m*c*ΔT, where m is the mass of the substance you are heating, ΔQ is the heat you supply to the substance, c is the specific heat which has a different value for different substances and ΔT is the change in temperature. If your substances are different and they have the same mass then by supplying the same amount of heat the change in temperature will be different.
Does the temperature increase decrease or stay the same during a change of state please say which or all?
During a change of state, temperature usually stays the same. When a substance is changing from solid to liquid or liquid to gas, the energy is used to break intermolecular bonds rather than increase the temperature. This is known as the latent heat of fusion or vaporization.
Do all substances catch fire on same temperature. Give reasons?
No, different substances have different ignition temperatures. This is because the ignition temperature is the specific temperature at which a substance will ignite and start burning. Factors such as chemical composition, molecular structure, and presence of impurities determine the ignition temperature of a substance.
What is the substances melting point the same as?
A substance's melting point is the temperature at which it changes from a solid to a liquid state. It is unique to each substance and does not necessarily match the melting point of any other substance.
Can two substances have the same specific heat?
Yes, it is possible for two substances to have the same specific heat if they have similar atomic or molecular structures. However, it is more common for substances to have different specific heat values based on their composition and the way their atoms or molecules interact with heat energy.
Is changing the state of matter changing its material?
It may change its measurable properties but a simple state change is brought on by an increase or decrease the energy content of the material and does not alter the material from one material to another.
What happens during a physical change?
During a physical change, the substance's form or state may alter, but its chemical composition remains the same. This means no new substances are formed, and the change is usually reversible by physical means such as heating, cooling, or mixing with other substances. Examples include melting, freezing, boiling, or dissolving.
