A 20cm³ sample of lithium hydroxide solution of unknown concentration is neutralised by 12.25cm³ of 0.15mol/dm³ of sulfuric acid. Calculate the concentration of the lithium hydroxide solution.
Answered by Sithhipratha A.
How do I know if an enthalpy change should be positive or negative?
Answered by Alex S.
Phosphorus(III) chloride molecules are pyramidal with a bond angle less than 109.5°. Explain why a phosphorus(III) chloride molecule has this shape and bond angle.
Answered by Halle A.
The equilibrium N2O4 (g) -->--< 2NO2 (g) is set up when N2O4 dissociates. When 0.0370 moles of N2O4 dissociates at 25 degrees in a 0.5dm3 sealed container, 0.0310 moles of N2O4 remains at equilibrium. Calculate the value of Kc for this reaction.
Answered by Harry M.
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