Determine the mass of co2 produced by burning enough carbon (in the form of charcoal) to produce 450 kj of heat. c(s)+o2(g)? co2(g)? h? rxn=? 393.5kj

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity