Ktoré z uvedených rovníc vyjadrujú exotermický dej:

Question

Accepted Answer

a C + O₂ → CO₂ ; Qₘ = −394 kJ·mol⁻¹

Accepted Answer

b CH₄ + 2 O₂ → CO₂ + 2 H₂O ; Qₘ = −804 kJ·mol⁻¹

Accepted Answer

d 2 H₂ + O₂ → 2 H₂O ; Qₘ = −452 kJ·mol⁻¹

Accepted Answer

e N₂ + 3 H₂ → 2 NH₃ ; Qₘ = −93 kJ·mol⁻¹

Accepted Answer

f 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O ; Qₘ = −906 kJ·mol⁻¹

Accepted Answer

g CO + 1/2 O₂ → CO₂ ; Qₘ = −283 kJ·mol⁻¹

Answer

c 2 H₂O → 2 H₂ + O₂ ; Qₘ = +452 kJ·mol⁻¹

Answer

h 2 SO₃ → 2 SO₂ + O₂ ; Qₘ = +195 kJ·mol⁻¹

Podobné otázky