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What is thermal softening?
Thermosofting is the name of a plastic that has weak bonds between the molecules, so when the plastic is heated the bonds between the molecules break allowing the plastic to become soft. When the plastic is cooled again the forces between the molecules bring them back together. This causes the plastic to harden. I hope that's OK.
A material that conducts thermal energy well is a thermal?
Something that conducts thermal energy well is a thermal...conductor. If it does not conduct well it is called an insulator.
When is thermal produced?
a thermal is produced never
When two substances in thermal contact starting at different temperatures reach the same temperature their condition of thermal balance is called thermal?
Thermal equilibrium?
What is used to describe how well various substances conduct thermal energy?
thermal conductivity The term for how substances conduct thermal energy is thermal conductivity.
Did the absence of the catalyst and effect on the outcome of the thermal decomposition of potassium chloride?
Potassium chloride is stable to thermal degradation.
What type of reaction occurs when an cooks in a pan?
This is a thermal degradation reaction.
What type of reaction occurs when an egg cooks in a pan?
This is a thermal degradation reaction.
What happens to polythene during and after heating?
Walendziewski and Steininger reported the thermal degradation of polyethylene in the temperature range 370–450°C. In the case of thermal degradation of polyethylene, an increase in degradation temperature led to an increase of gas and liquid products, but a decrease of residue (boiling point > 360°C).
What would the chemical reaction of a substance on heating?
This reaction is called thermal decomposition or thermal degradation; example: CaCO3 = CaO + CO2
Why does NaCl have a melting point?
Because NaCl is stable to thermal degradation and is an ionic compound.
How do chemicals decompose?
Chemicals are decomposed by chemical reactions, as for example thermal degradation, oxidation etc.
Why is a candle melting a chemical change?
Melting is accompanied by burning and thermal degradation - two chemical reactions.
5 activities involve transformation of substance?
Examples: - oxydation - reduction - thermal degradation - polymerization - dehydration
What are 2 basis types of chemical reactions?
Examples: oxidation, reduction, synthesis, thermal degradation, polymerization, etc.
What is the chemical name of benzoic acid after heating?
The products of the thermal degradation of benzoic acid are carbon dioxide and water.
What is anaerobic thermal degradation of wood is termed as?
Siemens: world technology leader in efficient & sustainable energy use.
