Copper Oxide + Carbon Dioxide

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?