0
What else can I help you with?
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 a candy bar a chemical change?
Melting a candy bar is a physical change because it is just changing form, not changing the chemical makeup. (If it isn't making a new material, it is not a chemical change)
Is a bar of soap a physical change?
Yes, a bar of soap undergoes a physical change when it is used. The act of lathering, scrubbing, and even melting the soap all involve physical changes, such as a change in shape, state, or size. Overall, the chemical composition of the soap remains the same even though physical changes occur.
What would cause physical change in a bar steel?
Cutting the bar in half, melting it, heating it, grinding or filing it, drilling holes in it- and it is still steel. It has not changed chemically.
Is bending copper a physical of chemical change?
Yes this is a physical change because they are melting it and then it's being changed by the heat of the torch but heat is a physical change.
When a chocolate bar melts in the sun a physical or chemical change?
When a chocolate bar melts in the sun, it is a physical change. This is because the chocolate undergoes a phase change from a solid to a liquid without changing its chemical composition.
Is forming a bar of gold into wire a chemical change or a physical change?
Forming a bar of gold into wire is considered a physical change. This is because the gold's chemical composition remains the same during the process, only its physical shape is altered.
When a chocolate bar melt in the sun is that a physical change or a chemical change?
When a chocolate bar melts in the sun, it is a physical change. This is because melting is a reversible process in which the chocolate changes from a solid to a liquid state due to the increase in temperature. No new substances are formed during this process, making it a physical change rather than a chemical change.
When a chocolate bar melts in the sun is it a chemical or physical change?
Physical because on the appearance of the chocolate bar changed
Is the shaping of a gold bar is an example of a purely physical change?
Yes, shaping a gold bar is an example of a physical change because the gold is not chemically altered during the process. Only its physical appearance and shape change.
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.
