Definitions + Equations

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Last updated 9:25 PM on 6/21/26
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10 Terms

1
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relative atomic mass

mean mass of an atom of an element divided by one twelfth of the mean mass of one atom of carbon-12 isotope

2
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chlorine + water

Cl2 (aq) + H2O(l) → HCl(aq) + HClO(aq) - reversible disproportionation

3
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initiation step of ozone depletion in UV light

CCl2F2 → CClF2• + Cl•

4
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propagation steps of ozone depletion

Cl• + O3 → ClO• + O2

ClO• + O3 → Cl• + 2O2

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overall equation of ozone depletion

2O3 → 3O2

6
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relative molecular mass

mean mass of a molecule of a compound divided by one twelfth of the mean mass of an atom of the carbon-12 isotope

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avogadro’s constant

number of particles in a mole of any substance = 6.022×1023

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empirical formula

simplest whole number ration of atoms of each element in a compound

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specific heat capacity

energy required to raise the temperature of 1g of a substance by 1K without a change of state

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bond enthalpy

energy required to break one mole of the stated bond in a gaseous state under standard conditions