Atoms of the same element with the same number of protons but different number of neutrons.
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Relative Isotopic Mass
The mass of an isotope relative to 1/12th of the mass of an atom or carbon-12.
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Relative Atomic Mass
The weighted mean mass of an atom of an element relative to 1/12th of the mass of an atom of carbon-12.
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Standard Enthalpy Change of combustion
The enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions.
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Standard Enthalpy Chnage of Atomisation
The enthalpy change that takes place when one mole of gaseous atoms forms from the elements in its standard state.
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Standard Enthalpy Change of Formation
The enthalpy change that takes place when one mole of a compound is formed from its constituient elements in their standard stated under standard conditions.
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Standard Enthalpy Change of Hydration
The enthalpy change that takes place when one mole of isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions.
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Standard enthalpy Change of Neutralisation
The enthalpy change when solutions of an acid and an alkali react together under standard conditions to produce 1 mole of water.
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Standard Enthalpy Change of Reaction
The enthalpy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions.
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Standard Enthalpy Change of Solution
The enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions.
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Other cards in this set
Card 2
Front
The mass of an isotope relative to 1/12th of the mass of an atom or carbon-12.
Back
Relative Isotopic Mass
Card 3
Front
The weighted mean mass of an atom of an element relative to 1/12th of the mass of an atom of carbon-12.
Back
Card 4
Front
The enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions.
Back
Card 5
Front
The enthalpy change that takes place when one mole of gaseous atoms forms from the elements in its standard state.
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