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OpenStudy (anonymous):

All the following are signs of a chemical reaction, except A. a change in energy B.*) a change of state. C. a change in color or odor. D. a release of gas. My answer was the one with *

OpenStudy (anonymous):

@JFraser

OpenStudy (anonymous):

ya ur right all the others are part of chemical reactions

OpenStudy (jfraser):

It is. Phase changes don't change the bonds of a substance so it's not a new substance

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