Use physical properties to explain why house keys usually are made of metal rather than glass, wood, or fabric.

The density of a liquid could be found by using

Awalk up the phase change graph worksheet

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.