A proper formula for a type of Iron Oxide is F2O3. What is the charge of the Iron (Fe) cation in this formula? A.) Fe^3+
B.) Fe^2+
C.) Fe^2-
D.) F^3-

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

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

One does not belong why? ice, gold ,wood ,diamond and table salt