Which energy profile best shows that the delta Hf of H2S is -20.6 kJ/mol?

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa