Question

व्हाट डू यू अंडरस्टैंड बाय पेस्ट्रीज रिडक्शन एक्सप्लेन विद एग्जांपल​

Answer 1

Answer:

Exothermic reaction: The reaction which is accompanied with evolution of heat is known as exothermic reaction.

CaO + CO2 → CaCO3, ΔH= -178.3 kJ mol-1

Endothermic reaction: The reaction which is accompanied with absorption of energy is known as endothermic reaction, e.g.,

2NH3 → N2 + 3H2; ΔH = +91.8 kJ mol-1