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What phase of matter has no fixed volume and no fixed shape, and is the only one that can be condensed?
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
These are all examples of phase changes, except ___________.
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
All of these are examples of chemical changes, where bonds are breaking and forming, except...
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
When the properties of matter do not change the identity of the substance, a(n) _______________ process has occured.
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
When a physical or chemical changes takes place, where heat energy is taken in, it is a(n) ________________________ process.
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
Which one is an example of a physical change?
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
During an exothermic reaction, the energy given off...
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
During a chemical reaction, energy is ...
comes from the breaking and forming of bonds.
physical
gas
boiling water
cutting the lawn
endothermic
converted from one form to another
covalent
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