Exothermic and Endothermic Reactions (VCE SSCE Chemistry): Flashcards

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Exothermic and Endothermic Reactions
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Fuel

Substance that can release stored energy relatively easily

Combustion reaction

Reaction with oxygen gas, releasing energy

Symbol for enthalpy

HH

Formula for enthalpy change

ΔH=Hp−Hr\Delta H = H_p - H_r

Sign of ΔH\Delta H in exothermic reactions

Negative

Sign of ΔH\Delta H in endothermic reactions

Positive

Activation energy

Energy required to break bonds so reaction can proceed

Breaking bonds requires or releases energy?

Requires energy input

Forming bonds requires or releases energy?

Releases energy

SI unit for energy

Joule (symbol J\text{J})

Explore VCE SSCE Chemistry Revision Notes by Topics

Exothermic and Endothermic Reactions

Types of Fuels

Fuel Sources for the Body

Bioethanol

Energy from the Combustion of Fuels

Explore VCE SSCE Chemistry Model Answers by Topics

Exothermic and Endothermic Reactions

Types of Fuels

Fuel Sources for the Body

Bioethanol

Energy from the Combustion of Fuels

Explore VCE SSCE Chemistry Quizzes by Topics

Exothermic and Endothermic Reactions

Types of Fuels

Fuel Sources for the Body

Bioethanol

Energy from the Combustion of Fuels

Explore VCE SSCE Chemistry Exam Questions by Topics

Exothermic and Endothermic Reactions

Types of Fuels

Fuel Sources for the Body

Bioethanol

Energy from the Combustion of Fuels

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