Common-Core/ Grade 7
Science MCQ Based On Energy changes in chemical reactions
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Common-Core Grade 7 - 7 Energy changes in chemical reactions
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stable
All
Heat
The amount of heat evolved or absorbed in a reaction carried out at constant pressure.
Chemical reactions can occur with the application or release of heat.
It is a theoretical representation of a single energetic pathway
All are connected
These reactions lower the temperature of their surrounding area, thereby creating a cooling effect.
It is a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
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