contestada

state the equation for the formation of ethane from its elements and ghen detwrmine the value for the standard enthalpy of formation of ethane

Respuesta :

onyebuchinnaji

The standard enthalpy of formation of ethane is determined as -192.5 kJ/mol.

Reaction for the formation of ethane

The reaction for the formation of ethane is given as;

2C + 3H₂ → C₂H₆

Where;

  • C is carbon (graphite)
  • H is hydrogen
  • C₂H₆ is ethane

Standard enthalpy of formation of ethane

The standard enthalpy of formation of ethane is calculated as follows;

ΔH = ΔH₁ + ΔH₂  + ΔH₃

where;

  • ΔH₁ is heat of formation of graphite = -286 kJ/mol
  • ΔH₂ is heat of formation of hydrogen = -393.5 kJ/mol
  • ΔH₃ is heat of formation of ethane = 1560 kJ/mol

2C + 3H₂ → C₂H₆

ΔH = 2(-286) + 3(-393.5) + 1(1560)

ΔH = -572 - 1180.5 + 1560

ΔH = -192.5 kJ/mol

Learn more about standard enthalpy here: https://brainly.com/question/14047927

#SPJ1

Otras preguntas