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)

How many oxygen atoms are present in 23.6 grams of aspartame?

What is the structure for the product of a reaction between ethylene and water?

The mass of 1.63x10^21 silicon atoms is how many grams

All of the cells in the body need oxygen. Hemoglobin molecules in red blood cells transport oxygen through the bloodstream. Oxygen is loaded onto hemoglobin molecules in the lungs and unloaded from the hemoglobin molecules in the tissues.

What are some patterns that we can use in order to predict reactivity in elements based on the periodic table

Cuál es número primo más pequeño entre 3,1,2,4

The Earth's biosphere is consists of

49. Which of the following statements regarding chemical equilibrium is true? a. Equilibrium is shown with a single arrow and/or an equal sign. b. A system at equilibrium maintains the concentrations of all reactants/products over time. c.

According to the food web. which of the following would be considered secondary consumers? Plants Grasshoppers Wolves Mushrooms

Could the concentration of reactants ever be equal to the concentration of products for a reaction at equilibrium? Explain why or why not.