CHMM basic formulas Exam Questions with Complete Solutions
CHMM basic formulas Exam Questions with Complete Solutions Coversion between ppm and mg/m^3. (MW) is molecular weight. ppm=((mg/m^3)24.45)/MW Conversion between mg/m^3 and ppm. (MW) is molecular weight. mg/m^3=(ppm*MW)/24.45 Inverse square law for determining radiation intensity (I) at a given distance (d) if given a reference intensity and diatance I2=I1(d1/d2)^2 Combined gas law for determining new pressure, volume or temperatures under a new set of conditions (i.e. Higher temperatures, lower pressures, smaller volumes etc). Note that (T) must be in absolute temp units, Kelvin (K). Degrees K=+273.15 Celsius. (P1)(V1)/(T1)=(P2)(V2)/(T2)
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