What is the heat of combustion of candle wax in kJ/mol? The standard heat of formation of carbon dioxide gas and liquid water are -394 kJ/mol and -286 kJ/mol, respectively

During which time interval does the object travel approximately 10 meters

Which element would mostly likely have an electron affinity measuring closest to zero

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.