IB Chemistry
& Exam
Page
Review
Energetics
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2026_2027.pdf
HL _ Study Guide, Practice Questions & Exam Review 2026_2027
IB Chemistry Energetics HL | Study
Guide, Practice Questions & Exam
Review 2026/2027
IB Chemistry Energetics HL _ Study Guide, Practice Questions
IB Chemistry
& Exam
Page
Review
Energetics
1 of 16
2026_2027.pdf
HL _ Study Guide, Practice Questions & Exam Review 2026_2027
,IB Chemistry Energetics HL.pdf Page 2 of 16 IB Chemistry Energetics HL
enthalpy
Heat energy is known as...
∆H
What is the sign for enthalpy?
high to low
Heat moves from ____ heat to ____ heat
IB Chemistry Energetics HL.pdf Page 2 of 16 IB Chemistry Energetics HL
, IB Chemistry Energetics HL.pdf Page 3 of 16 IB Chemistry Energetics HL
Heat is evolved or released in what kind of reaction?
exothermic
Heat is absorbed in what kind of reaction?
endothermic
exothermic
If the temperature of the surroundings increases, it is what kind of reaction?
endothermic
If the temperature of the surroundings decreases, it is what kind of reaction?
IB Chemistry Energetics HL.pdf Page 3 of 16 IB Chemistry Energetics HL