The chemical formula for ethanol is c2h601.how many total atoms are in 30 molecules of ethanol?

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

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Write a balanced equation showing the formation of copper (ii) nitrite from its elements