The total pressure inside a vessel containing a mixture of neon, argon, and helium gases is 750 kpa. the partial pressure of neon is 230 kpa, and the partial pressure of argon is 250 kpa. what is the partial pressure of helium? 480 kpa 270 kpa 500 kpa 520 kpa 325 kpa

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

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.

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.