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Is digestion of a candy bar a physical change or chemical change?
Chemical property
Is melting an ice cream bar chemical or physical?
Melting an ice cream bar is a physical change because it involves a phase transition from solid to liquid without changing the chemical composition of the ice cream.
Is melting ice cream a physical change?
A physical change is something that can be reversed (as opposed to a chemical change which cannot be). You can reverse melting an ice cream bar, by freezing it. Thus it's a physical change. Yes it is a physical change.
Is Melting an iron bar from a solid to a liquid is physical change buy why?
Yes, melting an iron bar from solid to liquid is a physical change because it involves a change in the state of matter without altering the chemical composition of the iron. The process of melting only affects the arrangement of the iron atoms, allowing them to move more freely in a liquid state, but the substance remains iron throughout. Thus, no new substances are formed during this transformation.
If a metal bar glowed red hot in a fire would it be a chemical change?
Yes, the metal bar undergoing a color change due to heating in a fire is a physical change, not a chemical change. Chemical changes involve the formation of new substances with different chemical properties. Heating a metal bar until it glows red hot does not alter its chemical composition.
Is digestion of a candy bar a physical change or chemical change?
Chemical property
Is a melting candy bar exothermic?
yes
Is melting an ice cream bar chemical or physical?
Melting an ice cream bar is a physical change because it involves a phase transition from solid to liquid without changing the chemical composition of the ice cream.
Is melting chocolate reversable?
No, you can take the melted chocolate goo and pour it into a mold, cool it and re-form the candy bar. No, melting a chocolate bar is not an irreversible change. Melting a chocolate bar is just changing its state of matter. If you but the melted chocolate bar in a freezer, where exothermic processes will occur, and the chocolate bar will be solid again.
Is digesting a candy bar a physical process or chemical process?
Digesting a candy bar involves both physical and chemical processes. Initially, the physical process of chewing breaks down the candy bar into smaller pieces, increasing its surface area for enzyme action. Then, chemical processes such as enzyme reactions in the digestive system help break down the candy bar further into nutrients that can be absorbed by the body.
Is melting ice cream a physical change?
A physical change is something that can be reversed (as opposed to a chemical change which cannot be). You can reverse melting an ice cream bar, by freezing it. Thus it's a physical change. Yes it is a physical change.
Is melting an ice cream bar a physical change?
yes
Is Melting an iron bar from a solid to a liquid is physical change buy why?
Yes, melting an iron bar from solid to liquid is a physical change because it involves a change in the state of matter without altering the chemical composition of the iron. The process of melting only affects the arrangement of the iron atoms, allowing them to move more freely in a liquid state, but the substance remains iron throughout. Thus, no new substances are formed during this transformation.
When you cut something in half like a candy bar does the density change?
The density does not change.
Is a candy bar potential energy or kinetic energy?
A candy bar has potential energy stored in its chemical bonds. When the candy bar is eaten and broken down by the body, this potential energy is converted into kinetic energy that fuels various bodily functions.
If a metal bar glowed red hot in a fire would it be a chemical change?
Yes, the metal bar undergoing a color change due to heating in a fire is a physical change, not a chemical change. Chemical changes involve the formation of new substances with different chemical properties. Heating a metal bar until it glows red hot does not alter its chemical composition.
answers candy bar?
candy bar
