Chemistry, 08.10.2021 14:00 maxi12312345
Your friend says," Chemical changes are caused by an input in energy. In physical changes, there is no transfer of energy." Is your friend correct? Why or Why not?
Answers: 2
Chemistry, 21.06.2019 20:10, cefindley14
Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.
Answers: 2
Chemistry, 22.06.2019 06:40, CylieTbh
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
Chemistry, 22.06.2019 13:30, amandajbrewerdavis
Table sugar completely dissolved in water is an example of a?
Answers: 1
Your friend says," Chemical changes are caused by an input in energy. In physical changes, there is...
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