4nh3 + 6 no → 5 n2 + 6 h2o. how many moles of no are required to completely react with 2.45 mol nh3? show all of your work as well as the answer with the proper units.

Are hallucinogen a clinically useful drugs?

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge