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Is a plant using Co2 and H20 to form 02 and sugar a chemical or physical change?
A chemical change. If the identity of of the chemicals involved change in identity, it is a chemical change.
What are compounds needed for photosynthesis?
co2 and h20
Which bond does not form a molecule?
h20 does not form a bond
What does the physical change mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
What does the word physical change mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
Is there H20 on Eris?
Yes ,but in ice form. There is about 10%
What does the word changes mean?
A physical change means that only the appearance of the substance has changed. So if your tear up a piece of paper, its still paper so a physical change has taken place. If you heat or freeze water its only a change of state so its still a physical change. So long as the molecular or chemical structure of the atom/substance does not change it will always be a chemical change. H20 will always be H20.
Is it a chemical or physical change when you freeze water?
Freezing water is a physical change because the molecules stay the same, only changing from a liquid to a solid state. Chemical changes involve the rearrangement of atoms or molecules to form new substances.
What mass of water is needed to react with 32.9g lithium?
51.2 g H20
Is heat changes h20 to steam a chemical change?
physical
How is fuel oil made?
it is a form of energy,oil,h20 and air
What is ice cube melting physical or chemical?
It is a physical change because the substance is still the same. It's still H20, just in a different phase of matter.
