Energy Profiles (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does the vertical axis represent on an energy profile diagram?
What does the vertical axis represent on an energy profile diagram?
Energy
What is the sign of for an exothermic reaction?
What is the sign of for an exothermic reaction?
Negative
In an endothermic reaction, how do product energy levels compare to reactant energy levels?
In an endothermic reaction, how do product energy levels compare to reactant energy levels?
Products are higher than reactants
How is activation energy () measured on an energy profile?
How is activation energy () measured on an energy profile?
From reactants to peak
How is enthalpy change () measured on an energy profile?
How is enthalpy change () measured on an energy profile?
From reactants to products
What effect does a catalyst have on activation energy?
What effect does a catalyst have on activation energy?
Lowers it
What effect does a catalyst have on enthalpy change ()?
What effect does a catalyst have on enthalpy change ()?
No effect
Reactants at kJ/mol, peak at kJ/mol. What is in kJ/mol?
Reactants at kJ/mol, peak at kJ/mol. What is in kJ/mol?
Reactants at kJ/mol, products at kJ/mol. What is in kJ/mol?
Reactants at kJ/mol, products at kJ/mol. What is in kJ/mol?
A reaction has kJ/mol. What type of reaction is this?
A reaction has kJ/mol. What type of reaction is this?
Exothermic