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What is difference between thermal and photochemical reaction?
Photochemical reaction: a chemical reaction induced by electromagnetic radiations: ul- traviolet, visible, etc.) Thermal reaction: a chemical reaction induced by increasing the temperature (ex.: thermal dissociation, etc.)
What is the thermal dissociation?
Thermal dissociation refers to the breaking apart of molecules into their individual atoms due to high temperatures. This process usually occurs in a high-temperature environment where the thermal energy is sufficient to overcome the bond energies holding the atoms together in the molecule.
How does thermal energy cause substances to undergo chemical change how does thermal energy cause substances to undergo chemical change?
Thermal energy cause thermal decomposition of a compound; the bonds between atoms are weakened.
What apparatus is needed to carry out a thermal decomposition?
A laboratory setup with appropriate heating equipment, such as a furnace, hot plate, or Bunsen burner, is needed to carry out thermal decomposition reactions. Additionally, a reaction vessel or crucible to hold the sample undergoing thermal decomposition is required to contain the reaction.
What agent cause the fireworks of chemical change?
Burning and thermal decomposition of fireworks are thermal changes.
How the dissociation of food?
You think probable to thermal decomposition of foods by heating.
What does the word dissociate mean?
1. Dissociation: formation of ions of an ionic compound in a water solution. 2. Thermal dissociation: thermal decomposition of a substance.
How does heat and electricity split chemicals up?
1. thermal dissociation (decomposition)2. electrolysis
Why sugar became black when heated?
Carbon or other black products of the thermal decomposition of sugar are obtained by heating (the process is called thermal dissociation).
What is difference between thermal and photochemical reaction?
Photochemical reaction: a chemical reaction induced by electromagnetic radiations: ul- traviolet, visible, etc.) Thermal reaction: a chemical reaction induced by increasing the temperature (ex.: thermal dissociation, etc.)
What is the difference between thermal and radioactive radiation?
There is no difference
Thermal decomposition and decomposition temperature-is it refer to the same things?
Thermal decomposition is the process by which chemical bonds are broken in the presence of heat. Decomposition temperature is the temperature at which thermal decomposition occurs, which differs for different compounds.
How is limekiln used to carry out thermal decomposition of limestone?
The thermal decomposition has the following equation: CaCO3 --------CaO + CO2
If you break a compound down by using heat it is called?
Solids melt on heating. A2. But if you are thinking of the destruction of the material, perhaps pyrolysis is what you seek.
What is the thermal dissociation?
Thermal dissociation refers to the breaking apart of molecules into their individual atoms due to high temperatures. This process usually occurs in a high-temperature environment where the thermal energy is sufficient to overcome the bond energies holding the atoms together in the molecule.
How does thermal energy cause substances to undergo chemical change how does thermal energy cause substances to undergo chemical change?
Thermal energy cause thermal decomposition of a compound; the bonds between atoms are weakened.
The best way to separate substances in a compound?
Examples: - electrolysis - thermal dissociation
