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Chemistry
Chemistry Higher
11
Chemistry
Not Applicable
11/22/2011

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Cards

Term
Average Rate
Definition
Change in volume/ time.
Term
Rate of reaction
Definition
Rate = 1/time
Rate = 1/T
Term
Activation Energy
Definition
The minimum kinetic energy required by colliding particles before a reaction will occur.
Term
Enthalpy
Definition
DeltaH = cmDeltaT
Term
Enthalpy of Solution
Definition
The energy change when one mole of a substance dissolves in water.
Term
Enthalpy of Neutralisation
Definition
Term
Heterogeneuous Catalyst
Definition
A catalyst of a different physical state from the reactants.
Term
Homogeneous Catalyst
Definition
A catalyst of the same physical state from the reactants.
Term
Going down a group in the periodic table, the atomic size/covalent radius increases because
Definition
the number of electron shells increases.
Term
Going from left to right along a period in the periodic table, the atomic size/covalent radius decreases because
Definition
the nuclear charge increases.
Term
Ionisation Enthalpy
Definition
The amount energy required to remove one mole of electrons from one mole of atoms. Always in the gaseous state and always an endothermic reaction.
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