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Is this true or false in a chemiccal change other forms of energy cannot be changed to chemical energy?
Wiki User
∙ 12y ago
This is false.
Wiki User
∙ 11y ago
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What about matter can change and what does not change according to the law of conservation of matter?
mass cannot change quanity if it is not added or removed
What change is freezing?
Physical change, seeing as how none of the chemical makeup of the water is changed.
Is carving wax a chemical or physical change?
Physical change. It is still wax, and can be uncarved by being melted and recast. Chemical changes cannot be undone without applying energy.
What is the process of changing energy?
An energy change is when one form of energy changes to another form of energy. E.g chemical to kinetic.
Is heating a mixture a chemical or physical change?
Heating a wood splint is a chemical change. If this was done in something like a test tube, you will see many things occur that indicate this. First, you will see a werid kind of smoke, the splint turning into black stuff, and a really bad smell. Well the smoke is CO2 and the black stuff is ash from the burning. Because there is a new substance being made and the identity of the original substance(your splint) has changed, the reaction is chemical.
What is true for a physical change as well as a chemical change?
A chemical has changed appearance in both a physical and chemical change. It cannot stay the same or it wouldn't have changed.
In a chemical change other forms of energy cannot be changed to?
false
Is this true or false in a chemical change other forms of energy cannot be changed to chemical energy?
False
Is making eggs a chemical change?
Making eggs is a chemical change because it cannot be changed back to it's original form.
Is frying eggs a chemical change or a physical change?
Chemical. The chemical composition of the egg is changed when the egg is fryed, and cannot be reversed.
Substance that cannot be changed into simpler substances by chemical means?
Elements cannot be changed into simpler substances by chemical means. To change them into simpler particles, you need nuclear means.
A physical change is described as this?
An object that is changed and can be changed back like silly putty. Chemical change is when an object is changed and cannot be changed back. ex. egg cracking
What happen when you change the chemical property of aluminium?
The chemical properties cannot be changed; only after a chemical reaction the products have new chemical properties.
What about matter can change and what does not change according to the law of conservation of matter?
mass cannot change quanity if it is not added or removed
What number cannot be changed in a chemical equation?
You cannot change the subscripts in the molecular identities.For example, H2SO4 must remain H2SO4 and not changed to something like H3SO7.Furthermore, the total mass of the reactants must equal the total mass of the products.
Is baked bread a chemical change?
Yes it is because the chemical properties change and it cannot be reversed.
Is cooking chapatis a chemical change?
Yes. Specifically it involves the Maillard reaction, which is what causes browning.
