Thu 3 Mar, 2005 08:08 pm - If heated, it decompses into CaO (lime) and CO2. Lime is pretty much unstable: mixed with water it forms a mortar (NOT cement/concrete).
The mortar making process has been around a very long time. (view)
Thu 3 Mar, 2005 10:48 am - In fact, H3PO4, depending on the pH of the parent solution, can exist as H+ + H2PO4-, 2 H+ + HPO4-2, and 3 H+ + PO4-3
The pH for the first, second, and third dissociations are around 2.1, 7.2,... (view)
Thu 3 Mar, 2005 10:25 am - Touched on in the previous: reactivity!
Chlorine in the diatomic gas form is highly reactive.
On the flip side, chlorine in the solid crystal NaCl is soluble in water, but basically... (view)
Thu 3 Mar, 2005 10:16 am - Liquid!
True crystalline solids do not flow.
Glass flows.
A very old pane of glass can be seen to have become thicker on the bottom and thinner on the top.
Glass shelves bend over time,... (view)
