Given that for the reaction. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = -92kJ. What is the enthalpy of formation of ammonia from its elements?

a

-46KJ mol -1

b

-184KJmol -1

c

-92KJmol -1

d

184KJmol -1

e

+46KJmol -1

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omask2734
6 years ago

The question should be:
Given that for the reaction. N2(g) + 3H2(g) ⇌ 2NH3(g) ∆H = -92KJ. What is the enthalpy of formation of ammonia from its elements?

siray
9 years ago

Where did the negative sign come from when it is OBVIOUSLY not there..........?

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