What distinguishes physical properties from chemical properties

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

What is the scientific name for weight?

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