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It's a physical change. You can, theoretically, turn a car fender back into a flat sheet of steel. You wouldn't want to, and the machine you'd need to do it would be immense, but you could.
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Is a rusting bicycle a physical or chemical change?
It's not the rusty bike it's the rusting of the bike. rust forms in a process called oxidation, or when iron comes in contact with oxygen. Also one reason you can tell it's a chemical change is when you can't reverse the process. Or when it involves changing the chemical compound.
If chemical energy can be used to produce kinetic energy what is an example of using chemical energy to produce kinetic energy?
Your car.
Does volume change when substance changes states?
Yes. Usually when a substance freezes, or becomes a solid, it will decrease in volume, causing an increase in density. Water is an exception, which is less dense when it freezes/becomes solid.
Real life example of chemical weathering?
The main agents of chemical weathering are acid precipatation, lichens, and other plants like mold decaying the rock. :)
A construction truck collides with the back of a subcompact car Which one has the larger change of velocity during the collision?
The smaller vehicle will encounter the larger velocity change.
Is the action of saltwaterand air on car fenders and panels chemical or mechanical?
It's a chemical reaction
A chemical change is a change in what?
it is ge in the substance that you have. say if you have a car and it has rust that is a chemical change
Is petrol used in a car engine a chemical change?
yes it is a chemical change
Is car exhaust fumes mixing with water a chemical change?
It is a chemical change.
When carbon dioxide comes from the fuel of the car is it a physical or chemical change?
chemical change
Is the burning of fuel in a car a chemical or physical change?
It would be a chemical change because it is burning. Like a newspaper on fire.
Is crashing a car chemical change?
No, though it is not easily irreversible like chemical reactions it is mainly a physical change, unless your car set in fire. (Burning is chemical)
Is a car battery discharging a chemical change?
no
Is a car rusting a chemical change or a physical change?
A car Rusting is a chemicall change as a the iron in the car is converted into a different substance: iron oxide.
Is charging of car battery chemical change?
Yes. The charging causes a chemical change in the electrolyte of the battery.
Is spray painting a car a chemical or physical change?
it is a physical change.
Is a inflation of a car tire a chemical change?
No. Nothing changes in its chemical nature.
