Some hydrogen gas is enclosed within a chamber being held at 200∘c whose volume is 0. 0250 m3. Initially, the pressure in the gas is 1. 50×106pa (14. 8 atm). The chamber is removed from the heat source and allowed to cool until the pressure in the gas falls to 0. 950×106pa. At what temperature t2 does this occur?.

Ppcc assigned a story board on eg. ppcc. edu about a post-apocalyptic world called the books of wisdom. i was wondering if anyone had any advice on how to do well. also is there a way to change you name?

Feedback is given with little or no reservation 1.supportive 2.high-monitoring 3.positive 4.low-monitoring ?

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.