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slicing it
No it's a chemical change as you can't 'untoast' the bread.
It is changing from a solid to a liquid, which is a physical change.
Physical, because each slice of pellet is still the same chemically: you have merely divided your one sodium block into two blocks of sodium. If it were chemical, some kind of notable chemical difference would have occurred (you would no longer have sodium, but something else).
chemical reaction.
Physical change as it is only changing its physical apparence, not the content of the object
Depends on the size of the tomato and the thickness of the slice!
slicing it
No it's a chemical change as you can't 'untoast' the bread.
It is a chemical change - oxidisation.
Slicing bread is a physical change, because each slice of bread has the same chemical composition as it had before it was sliced.
1/5th of a slice of tomato
i believe there are around 150 calories in a slice of tomato pie.
Slice = rebanada Tomato = jitomate Rebanada de jitomate is "slice of tomato" in Spanish
It is changing from a solid to a liquid, which is a physical change.
Physical, because each slice of pellet is still the same chemically: you have merely divided your one sodium block into two blocks of sodium. If it were chemical, some kind of notable chemical difference would have occurred (you would no longer have sodium, but something else).
20g