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Yes
Crawford Rodriguez
Wiki User
∙ 15y agoBreaking of glass is a physical change. It does not change the chemical makeup of the glass, and it can be reversed by melting the glass and re-blowing it.
Wiki User
∙ 13y agoYes, it wouldn't be a chemical change because that is when you change the properties of a substance, and you can take the pennies out of the water so theres no real difference done.
Wiki User
∙ 10y agoNo, because the original substances were not changed.
Wiki User
∙ 14y agophysical! STUPID
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Is turning a penny gold a chemical or physical reaction?
Anything else then dropping it in molten gold is chemical
Is putting a penny in lemon juice a physical or chemical change?
physical reaction
Is a copper penny turning dark a chemical change or physical change?
Chemical.
How is physical change and chemical change different?
A physical change is when some thing's shape or volume is changed. But a chemical change is a reaction between two or more objects to create something new and you can't get back what you originally started with.
Is melting a physical or chemical and why?
Its a physical property, because if I melt a penny it goes from solid to liquid but its still a penny. It doesn't turn into a quarter oh and good luck with your test or homework
Is salt and vinegar removing tarnish from a penny a physical change?
Physical change
Is turning a penny gold a chemical or physical reaction?
Anything else then dropping it in molten gold is chemical
Is a blackened penny a physical or chemical change?
Chemical
Is putting a penny in lemon juice a physical or chemical change?
physical reaction
Is a copper penny turning dark a chemical change or physical change?
Chemical.
Is cleaning a penny a chemical change or a physical change?
this is my homework just give the answer already!
Is cleaning a penny with vinegar and salt a physical or chemical change?
It is a chemical reaction and this is the correct way to spell penny!
Why penny flattened by a hammer is a physical change?
It is a physical change, because it does not change in substance. A penny, whether in its normal state or flattened, is still a penny. Similarly, if you drop a watermelon and it breaks apart, that is also considered to be a physical change because it is still a watermelon. Things are considered to be chemical changes when the substance changes into something new, and is commonly classified as irreversible. When an object rusts, it is considered to be a chemical change. Chemical changes are associated with a temperature change, or a color change or bubbling or something of the sort. Physical changes deal with physical changes in state, for example, ice melting, or in the example you provided, a penny being flattened.
How many different chemicals can clean a penny?
Any medium-strong acidic or alkaline will clean a penny. --- I don't know all of them, but a common one is mixing baking soda and vinegar and dropping the penny into the mixture during the reaction between the acid and the base. Thanks. -Psymonkey21 ---- Alternatively, dropping it into a small glass of coca-cola will do the trink (you will have to leave it for a while. The same is true with vinegar, and lemon juice. ManUtd77 -------------
Why does a penny rust faster in coca cola?
Sugar reaches the copper and they form a physical change
Why does a penny hold water?
sit the glass of water on the penny
Is it possible to crack the sidewalk by dropping a penny from the top of the Empire State Building?
no
