Sentences with phrase «observe during chemical reactions»
In the high school unit, Roseman noted, similar atomic and molecular models are also used but in conjunction with bar graphs and energy transfer diagrams to help students understand that the energy changes they observe during chemical reactions are associated with changes in the arrangement of atoms.
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«Being able to observe how molecules exchange electrons during a chemical reaction opens the door to completely new types of studies of a number of fundamental biological and chemical processes.»
Likewise, the femtosecond «flashbulb» enabled scientists to observe phenomena never before seen in freeze - frame: vibrating molecules, the binding of atoms during chemical reactions, and other ultrasmall, ultrafleeting events.
Performing chemistry experiments in a new way, they observed a key molecule that appears briefly during a common chemical reaction in the atmosphere.