yesmi
yesmi yesmi
  • 22-02-2019
  • Mathematics
contestada

I need help please :/ !

I need help please class=

Respuesta :

lizethdominguez037 lizethdominguez037
  • 22-02-2019

Answer:9

Step-by-step explanation:

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Background Info:The standard enthalpy of formation (ΔH∘f) is the enthalpy change that occurs when exactly1 mol of a compound is formed from its constituent elem