A 4 g sample of H2 (9) is combined with a 28 g sample of CO (9), and the following reaction occurs. 2 H2(g) + CO(g) + CH3OH(L)
If 14 g of CH, OH () is produced, the percent yield would be closest to which of the following?

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

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution