The net charge on a sulfide ion (S2–) is –2. Explain how this ion obtains its charge. Your answer should include a discussion of subatomic particles (HINT: electrons).

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

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

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory