Rates 2 Flashcards
Formula to calculate activation energy
Peak minus reactants
Formula to calculate overall energy change
Products minus reactants
Definition of endothermic and sign
The reaction absorbs energy from its surroundings - sign is positive (+)
Definition of exothermic and sign
The reaction releases energy into its surroundings - sign is negative (-)
In evaluating experimental results, what is the S in SAME?
Subjectivity: Did the experiment involve any aspect which was down to human judgement?
In evaluating experimental results, what is the A in SAME?
Amounts: Were the same amounts of all of the control reagents used in each experiment?
In evaluating experimental results, what is the M in SAME?
Methods: Was the method exactly the same each time?
In evaluating experimental results, what is the E in SAME?
Equipment: Was the same equipment used in each experiment?
