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3C - Physical chemistry (a) Energetics
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
What are the three key features of an exothermic energy level diagram?
Back (Answer)
• Products bar below reactants bar • Line looping up, then down between two bars • ΔH and Ea labelled
#2
Front (Question)
What are the three key features of an endothermic energy level diagram?
Back (Answer)
• Products bar above reactants bar • Line goes straight up, then loops around • ΔH and Ea labelled
#3
Front (Question)
What is the equation for Enthalpy change?
Back (Answer)
ΔH = Bonds broken - Bonds made
#4
Front (Question)
Is bond a) making b) breaking exo or endothermic?
Back (Answer)
a) Bond making is exothermic b) Bond breaking is endothermic BENDy MEXican