The chemical formula for barium sulfide is . A chemist determined by measurements that moles of barium sulfide participate in a chemical reaction. Calculate the mass of barium sulfide that participates. Be sure your answer has the correct number of significant digits.

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

Which statement best describes the flow of energy in this scenario

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume