Showing 1–12 of 18 results
Fata Morgana mirage in the desert, vintage engraving
Description of a Fata Morgana optical phenomenon in the desert, it occurs by thermal inversion of warmer air over colder air involving distant objects as mirage
Chemistry: obtain hydrogen by dissociating water
A device to obtain hydrogen by dissociating water over glowing iron: the hot iron used the water oxygen to form an iron oxyde thus leaving the hydrogen free. An iron pipe filled with iron shavings was heated up in a … Continued
Physics: heat dilates air. Heating a glassball tube, air expands out of it as bubbles through water
Heating a glassball tube, the air contained in it expands out of it and forms bubbles through water.
Lavoisier experiment: discovery water composition by decomposing water vapour over hot iron.
The discovery that water is a compound of hydrogen and oxygen was made in the early 1780s. Lavoisier demonstrated that iron reacts with water releasing hydrogen.