How many grams of calcium chloride will be produced when 28. 0 g28. 0 g of calcium carbonate is combined with 12. 0 g12. 0 g of hydrochloric acid?.

Easy definition for atom and atomic mass

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's