The size of an ice pieces is an independent or a depependent

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.