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Question 21

How much heat will be liberated if 8g of hydrogen burns in excess oxygen according to the following equation? 2H2 + O2→ 2H2O,∆H = -571.7KJ (H = 1)

  • A.1.42.9KJ
  • B.571.7KJ
  • C.1143.4KJ
  • D.285.9KJ
  • E.2286.8KJ
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1997
Question no.
#21
Type
Objective
Previous · Q20If the value of ∆H for a reaction is negative, it means that the reaction is Next · Q22 The position of equilibrium in a reversible reaction is affected by

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