One of the most common causes of inaccurate melting points is too rapid heating of the melting point bath. Under these circumstance, how will the observed melting point compare to the true melting point?

3 chemical materials need to write everything about them such as what they are, how do we use them, how do we keep them safe, , what color each material has, hazard ratio for each chemical material and why do we use them. also i have a machine need to write everything about it like how do we use is it.
the deadline is after 10 hours
the homeowner need to be 2 pages

here is more details

the chemical materials names are:
1) K3Fe(CN)6
2) H2SO4
3) DIETHYL ETHER
the machine name is: 3510 pH Meter

3 chemical materials need to write everything about them such as what they are, how do we use them, how do we keep them safe, , what color each material has, hazard ratio for each chemical material and why do we use them. also i have a machine need to write everything about it like how do we use is it.
the deadline is after 10 hours
the homeowner need to be 2 pages

here is more details

the chemical materials names are:
1) K3Fe(CN)6
2) H2SO4
3) DIETHYL ETHER
the machine name is: 3510 pH Meter