Which of the following properties is the temperature at which a liquid turns to gas?

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

If a solution had a ph of 7 what is the solution

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?