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  1. What volume of hydrogen at 42 °C and 149 kPa can be burned in a fuel cell using 296 L of oxygen gas measured under the same conditions?

    2 H2 + O2 → 2 H2O If the T and P are the same, the volume is directly proportional to the number of moles: (296 L O2) x (2 mol H2 / 1 mol O2) = 592 L H2

    1 Answers · Science & Mathematics · 16/01/2021

  2. HOMEWORK HELP PLEASE FOR CHEMISTRY?

                H2 (g) + Cl2 (g) ⇌ 2 HCl (g) IC.           0.25.      0.25.           0 moles.     0.25 -x   0.25 - x.      2x conc.      [(0.25 - x)/1] [ (0.25 - x)/1] [ (2x)/1] ksp = [HCl]^2/([H2][Cl2]) 2.51 x 10^4 = (2x)^2/[(0.25 - x)(0.25 - x)] 4x^2/(0...

    1 Answers · Education & Reference · 13/01/2021

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