When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms CH4 and releases 51.9 kJ of heat. C(s) + 2 H2(g) --> CH4(g) What is the enthalpy of the reaction in kJ/mol of CH4?

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When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms CH4 and
releases 51.9 kJ of heat.
C(s) + 2 H2(g) --> CH4(g)
What is the enthalpy of the reaction in kJ/mol of CH4?
Enter your answer numerically and in terms of kJ/mol.
Transcribed Image Text:When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms CH4 and releases 51.9 kJ of heat. C(s) + 2 H2(g) --> CH4(g) What is the enthalpy of the reaction in kJ/mol of CH4? Enter your answer numerically and in terms of kJ/mol.
Expert Solution
Step 1

The balanced reaction taking place is given as,

=> C (s) + 2 H2 (g) ------> CH4 (g)

Given : Mass of H2 reacting = 3.0 g

And energy released = 51.9 KJ

 

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