Foundations of Chemistry
6 terms
Dalton's Atomic Theory
Foundations of Chemistry
Dimensionless
The 1808 model proposing that elements consist of indivisible atoms that are identical within an element and combine in fixed whole-number ratios.
Decantation
Foundations of Chemistry
Dimensionless
The separation of a liquid from a settled solid or a denser immiscible liquid by carefully pouring off the upper layer.
Deliquescence
Foundations of Chemistry
Dimensionless
The property of a solid that absorbs enough water vapour from the air to dissolve completely in the water it takes up.
Density
Foundations of Chemistry
g/cm³
The mass of a substance contained in a unit volume, a characteristic intensive property of each material.
ρ = m / V
Dimensional Analysis
Foundations of Chemistry
Various
A calculation method that tracks and cancels units through a chain of conversion factors to reach the required quantity.
given quantity × (desired unit / given unit) = answer
Distillation
Foundations of Chemistry
Dimensionless
A separation technique that exploits differences in volatility by vaporising a liquid and condensing the vapour in a separate vessel.