ostewart99
ostewart99 ostewart99
  • 09-11-2022
  • Chemistry
contestada

Macy has been studying physical and chemical reactions in school. She read about chemical reactions and how energy is either required or released during chemical reactions. Which word describes the direction of heat flow illustrated in the picture?
A. chemical
B. endothermic
C. exothermic
D. physical

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