How man kilo-calories of heat are required to raise the temperature of 225 g of aluminum from 20 c to 100 c?
0.59 kcal
3.8 kcal
38 kcal
85 kcal

Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4

Why does asexual reproduction result in offspring with identicle genetic variation

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %