Hydrochloric acid can dissolve solid iron according to the following reaction
Fe (8) + 2 HCl (aq) → FeCl2 (aq) + H2 (9)
What minimum mass of HCl in grams would you need to dissolve a 2 2 g iron bar on a padlock?
Express your answer using two significant figures.

a electronegativity decreases beacuse the size of nucleus is bigger.

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101

how important do you think an instrument is to the musician who plays it?