Since there are billions upon billions of possible processes, this question is not within the human ability to answer. If you specify which processes you are talking about, that will make it...
Baking soda is sodium bicarbonate used in leavening foods that have acid in them. Baking powder contains baking soda plus an acid, and is used in leavening acid-free or low-acid foods.
Good question. It is because of atmospheric pressure, the air is less dense at higher elevations so time increases at a given temperature. Water boils at 212° F. sea level but boils at a lower...