How many moles of phosphine (ph3) are produced for every 4. 0 moles of h2 that react according to the chemical equation h2 + p4 ===> ph3.

Why do you think someone would use tuition reimbursement as a way to fund their education? what are the benefits of working for a company that supports tuition reimbursement?

Break down of rocks and minerals into smaller particles without a change in composition is called_

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.