A mixture of iodine crystals and common salt can be separated by. (a) Sublimation
(b) filtration
(c) sieving
(d) centrifugation

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which compound contain an iron with a 3+ charge