what reaction (if any) occurs in water between potassium nitrate and ammonium chloride? include states in your answer.

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

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

If two identical atoms are bonded,what kind of molecule is formed