Question

Help!
What procedure can I use to investigate the M.P and B.P of ionic and covalent compounds? So far, I know that I have to use a thermocouple , place it in the substance to be tested, observe for boiling, look for bubbles/ fizzing and for melting, look for conventional flow. Basically, I don't understand this at all and I HAVE to include this because it's apart of the marking criteria. So,
1) What will be the completed procedure?
2) Why would those kind of changes (bubbling/ fizzing) appear?

Answer 1

have you look this up

Answer 2

I did but the procedures online did not include the thermocouple thermometer. But, I think I'll use a laboratory thermometer instead because the thermocouple that I have only has one junction.

Answer 3

ok i think Wikipedia might help or answers.com

Answer 4

have you tired those

Answer 5

I did. Thanks.