A solution of a specific vitamin has λmax = 273 nm and a concentration of 8.33 * 10-7 m. the absorbance of the solution at 273 nm is a = 0.180. what is the molar absorptivity of the vitamin at 273 nm? (sample pathlength = 1.00 cm)

Which of these is not an accomplishment of the apollo missions A. To study the surface of the moon B. To send rovers to mars C. To orbit the earth for two weeks D. To land on the moon

In the reaction: C6H6 + O2 = CO2 + H2O If 26.2 grams of C6H6 is reacted in a 0.250-liter container and this reaction is carried out at 395 K, what is the pressure inside the container?

After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body? Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being transported to her lungs.

Why has Mars been more studied with telescopes than Jupiter? A. Mars is made of rock. B. Mars lacks a thick atmosphere hiding the surface. C. Jupiter is less dense than Mars. D. Jupiter is farther away.

The density of human blood is 1.06g/ml the volume is 5.5l what is the mass in kg

How do the compounds that cause acid rain spread from their source?

Which element is used to "paint" the skin to prevent infection from cuts and scratches

A homogeneous mixture in which one substance is dissolved in another substance is known as a (n)

Determine the mass of 1.68*10^ 35 atoms of neon gas

What is the molar mass of Sr (OH) 2