If a 0. 10 m solution of a colored substance has a maximum absorbance at 500 nm and an absorbance of 0. 26 at this wavelength, what will be the measured absorbance of a 0. 20 m solution at 500 nm?.

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?