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What else can I help you with?
Is body heat a chemical or physical change?
Neither. Body heat is a result of chemical changes, but it's not itself a chemical change.
Is production of heat or light a physical or chemical change?
Its a chemical change hottie
Is a toast a chemical or physical change?
Chemical
Is giving off light a physical or chemical change?
I would think it to be a Physical Change. Not chemical.
When you cook food is it a chemical or physical change?
It is a chemical change because the heat and whatnot alter the chemical makeup.
When does the change in enthalpy equal heat in a chemical reaction?
The change in enthalpy equals the heat in a chemical reaction when the reaction occurs at constant pressure.
What change is exothermic chemical change?
A reaction in which heat is given out.
Is melting wax a physical chemical or nuclear change?
This is a physical change, not a chemical change! It is because all the wax is still all there as for if it was a chemical change it would be all gone!Physical. Its physical state changed from solid to liquid. It's chemical make up remains the same.Melting wax is a chemical change because a new substance is forming. Trust me im intelligent and we just learned this in science.physical change :)It is a chemical change because it gives off heat even when it is burning. heat is one of the signs that tell whether it is physical or chemical change. The signs are heat , light's ,gas,discolor.Melting was would be a physical change-- no chemical reaction occurs when something melts or boils. A burning candle is a chemical change, both can occur at the same time.
When a liquid is expanded by heat is that a chemical of physical change?
It is a physical change because the chemical composition of the substance does not change.
Is frying a chicken physical or chemical change?
Physical changes can be undone. It is not possible to unfry a chicken. The heat casues chemical changes in the meat and in any coating.
Is hydrchloric acid reacting with sodium hydroxide to produce a salt water and heat a physical change or a chemical change?
It is a chemical reaction - a chemical change.
Is heating sulfur a chemical change?
It is not a chemical change, unless you heat it sufficiently to make it catch fire.
