Amixture of oxygen, nitrogen, and hydrogen gases exerts a total pressure of 740 mm hg at 0 degrees celcius. the partial pressure of the oxygen is 200 mm hg and the partial pressure of of the nitrogen is 400 mm hg. what is the partial pressure of the hydrogen gas in this mixture?

Gymnast always perform on padded mats. how does the mats protect the gymnast

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

In one or two grammatically correct sentences, write a definition for the term molecule geometry