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What else can I help you with?
What is the energy in a chemical or physical change that is available to do useful work?
Free energy
How is a chemical change useful to people?
To make people's lives easier and more comfortable
What are some useful chemical change?
Some useful chemical changes are when a solid changes into a liquid. Such as when ice melts it is turned into water.Sorry but I am afraid that is wrong.Freezing, melting and evaporation including sublimation, i.e., Changes of State, are all physical, not chemical, changes.As for "useful" chemical changes.... Almost all biological processes, the conversion of fuel to its oxides etc with consequent release of heat &/or light, the list goes on!
What are four ways chemical change useful?
chemical changes helps batteries get more electricity and helps soap get rust off and give gasoline to cars.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
How chemical change is useful to people?
Chemical change is useful because when it occurs, some desirable outcomes such as combustion occurs. Some reactions give off heat energy. Heat packs work by allowing certain chemicals to mix and give off heat.
Is a rotting banana a chemical or physical change?
It's a chemical change
Is cellular respiration an example of a physical change or an chemical change?
its a chemical change
is tarnishing a chemical or a physical change?
It is a chemical change.
Is digestion a physical or chemical change?
Its a chemical change.
Is burning chemical change or physical change?
Burning is a chemical change.
When you dye your hair is that physical change or chemical change?
Yes it is a chemical change because color change is an observed change that a chemical change has occurred. So you are very much right. :)
