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No, substances do not change states at the same temperatures. Each substance has its own unique melting and boiling points, which depend on its molecular structure and intermolecular forces. For example, water freezes at 0°C and boils at 100°C, while other substances like ethanol and Mercury have different freezing and boiling points. Thus, state changes occur at specific temperatures for each material.
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Can matter change states after a chemical change?
No, matter cannot change states after a chemical change. A chemical change involves the rearrangement of atoms to form new substances, which may have different properties than the original substances. However, the state of matter (solid, liquid, gas) itself remains the same throughout the chemical change.
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
What is the total of original and new substances that are the same after a chemical change?
It would be called a physical change, and would not be a chemical change at all. In order for a chemical change to occur, the original substances (reactants) must have different physical and chemical properties than the new substances (products).
What are the law of conservation of mass as it relates to phase changes?
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction. During phase changes, such as melting or boiling, the mass of the substances involved remains the same before and after the change. This means that the total mass of the substances in a closed system will always remain constant.
Which pairs of characteristics of an element are the temperatures the same?
The temperatures of an element are the same when considering its melting point and freezing point, as well as its boiling point and condensation point. At these temperatures, the phase changes occur without a change in temperature, indicating that the energy being added or removed is used for breaking or forming bonds rather than increasing kinetic energy. Thus, these pairs of characteristics reflect equilibrium states for the element during phase transitions.
Can matter change states after a chemical change?
No, matter cannot change states after a chemical change. A chemical change involves the rearrangement of atoms to form new substances, which may have different properties than the original substances. However, the state of matter (solid, liquid, gas) itself remains the same throughout the chemical change.
Are all substances the same before and after burning?
No, some substances change their whole form and others just change their color and shape.
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
Could the same substance be formed in a chemical change?
No, in a chemical change new substances are formed with different chemical properties compared to the original substances.
Does a change in substances and properties go with physical change?
no, if it's a substance change then it's a chemical change. If it were a physical change then it would be the same substance
Why is melting and freezing at the same temperature but not for boiling and condensation?
Melting and freezing occur at the same temperature because they involve the same phase change between solid and liquid states. In contrast, boiling and condensation involve different phase changes between liquid and gas states, resulting in different temperatures due to the energy differences required to break intermolecular bonds and change states.
When matter undergoes a physical or chemical change the amount of mass changes or stays the same?
In physical changes, the amount of mass stays the same because no new substances are formed. In chemical changes, the amount of mass stays the same due to the law of conservation of mass, which states that mass cannot be created or destroyed, only rearranged into different substances.
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 law stating that the mass off all substances involved in a chemical change will be the same after the change?
This is the law of mass conservation.
What is the total of original and new substances that are the same after a chemical change?
It would be called a physical change, and would not be a chemical change at all. In order for a chemical change to occur, the original substances (reactants) must have different physical and chemical properties than the new substances (products).
A difference in this results in different ending temperatures when the same amount of thermal energy is added to two different substances?
The specific heat capacity of a substance determines how much thermal energy is needed to raise its temperature. Therefore, substances with different specific heat capacities will reach different ending temperatures when the same amount of thermal energy is added. Substances with higher specific heat capacities will have smaller temperature increases compared to substances with lower specific heat capacities.
Chemical change same as chemical reaction?
no because a chemical change is any process in which 1 or more substance is changed into 1 or more substances whereas a chemical reaction is a process that leads to a transformation of one set of chemical substances to another
