When 3.0 grams of H2 is reacted with excess C at constant pressure, the reaction forms...

Question

Question

When 3.0 grams of H₂ is reacted with excess C at constant pressure, the reaction forms CH₄ and releases 54.2 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.

Answer 1

Answer #1

3 .0 3.0 ми-- - 1.5 mol 3.0 grams of the in mores = 3 = 3:0 = 1.s moe 1.5 mod de produces 13 = 0.75 mol Chy. oys of ch Yeleoe

Answer 2

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