is used to hold substances and heat on a hot plate. The lid covers the bowl so nothing excapes.
Molar mass is a term for molecules not for a crucible or lid.
Its called a crucible or a crucible with lid hopes this helps!
Crucible
put the solid substance into a test tube and then heat it on a wiregauze , alittle bit far from it...thx...with best regards.. crucible and lid is used for heating small amounts of solids
Crucible
SO that the excess heat do not cause any problem.
why Covering the crucible with its lid as soon as the magnesium starts burning
Oil from the fingers can contamine the surface of the crucible and lid
it is critical to set the lid just off the lip of the crucible to allow the evolved water molecules to escape on heating.
So you dont burn your self
If not the substances or chemical in the crucible will flow out and drip onto the table
Its called a crucible or a crucible with lid hopes this helps!
Crucible
a crucible with the lid slightly ajar :-)
you should :)
put the solid substance into a test tube and then heat it on a wiregauze , alittle bit far from it...thx...with best regards.. crucible and lid is used for heating small amounts of solids
It is necessary to cover the crucible when it is being heated for two basic reasons: primarily, it maintains a higher temperature inside the crucible. Without the lid, the heat simply escapes. Secondly, it keeps the material inside the crucible from splashing out.
Because fingerprints can add a considerable mass to the crucible when weighing it.