Используя данные:
N₂ + 3H₂ → 2NH₃ − 15 ккал;
EN≡N = 225 ккал/моль; EH–H = 100 ккал/моль, найдите энергию связи N–H (ккал/моль).

  1. 95
  2. 80
  3. 90
  4. 85

📝 Detailed explanation

ΔH = (225 + 3·100) − 6·E(N–H) = −15 → 525 + 15 = 6·E → E(N–H) = 90.
42 / 59 (71%)
Question 42 of 59
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