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Question 25

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
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1989
Question no.
#25
Type
Objective
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