Empirical formula is the simplest way the molecular formula can be wrote so here 7 goes into all of these so it would be CH2O
I would suppose it is false because conduction is the movement of heat between two objects that are in contact.
Answer: D.
Explanation: D. Acetone, Acetone may be rinsed over materials to wash off the explosive residue.
Hope this helps :)
The movement of water from lower concentration to higher concentration trough semipermeable membrane.
Salt lowers the freezing/melting point of water, so in both cases the idea is to take advantage of the lower melting point. Ice forms when the temperature of water reaches 32 degrees Fahrenheit (0 degrees Celsius).
