How many grams of soda ash, Na2CO3, would be needed to produce 1000g of sodium bicarbonate, NaHCO3

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

answerleaving cheese out to get moldy;