Chemistry for Engineering Lecture 2: Ideal Gases PDF
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Prof.Dr. Hanem Sibak
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This document is a lecture on ideal gases, part of the Chemistry for Engineering course. It covers definitions and units for pressure, volume, temperature and mass, plus Boyle's Law and related charts.
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Chemistry for Engineering Lecture 2 Ideal Gases Prof.Dr. Hanem Sibak 1 Gases In order to study gas behavior we have to define : Pressure , P (Total Pressure) and pᵢ (Partial Pressure) ...
Chemistry for Engineering Lecture 2 Ideal Gases Prof.Dr. Hanem Sibak 1 Gases In order to study gas behavior we have to define : Pressure , P (Total Pressure) and pᵢ (Partial Pressure) Volume , v Temperature , T K and t °C Mass , M Number of moles , n 2 Gases Molecular Weight , M.wt. n=M/M.wt. M.wt. O2 = 32 N2 = 28 H2 = 2 C = 12 3 units Pressure atm = 760 mmHg or Torr Volume l = 1000 cm3 m3 = 1000 l ml = cm3 Temperature TK = t °C + 273 M Kg = 1000 g 4 units Molecular Weight g/gmol Number of moles gmol 5 P,V,T Ideal Gases Boyle´s Law at constant n,T P 𝛼 1/V P = const. 1/V PV = const. P1V1 = P2V2 6 Boyle´s Charts 7 8
