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Lab - Energy and PhotosynthesisPaper Chromatography:
1. Enter your results from this paper chromatography experiment.
2. Describe how the functional units for beta carotene, xanthophyll, chlorophyll A, and chlorophyll B are different. Be sure to identify the subunits that adhere to paper during chromatography.
3. What did the different colored bands signify in each solvent for Part 1? What pigments can you associate them with?
4. Many deciduous trees have leaves that turn yellow in the fall. What do you suppose is happening in the leaves at the cellular and molecular level?
determine the geometry of using vsepr theory of
Considering the works you read for this unit, do you think that opinion is accurate or inaccurate? Which texts would you reference to support your opinion? Think about the qualities your chosen texts have that support or refute the image of the Vi..
A neon sign is made of glass tubing with an inside diameter of 2.0 cm and length of 4.0 m. If the sign contains neon at a pressure of 5.5 torr at 27 degrees celcius, how many grams of neon are in the sign
A piece of metal weighing 5.10g at a temperature of 48.6 degree Celsius was placed in a calorimeter into a 20.0o mL of water at 22.1 degree celsius, and the final equilibrium temperature was found to be 29.9 degree celsius. What is the specific he..
Problem- Which of the following compounds would have the largest equilibrium constant for the formation of the corresponding hydrate. I.e. germinal diol
Compute percent of purity of alum, presence of aluminum, potassium & sulphate in the sample. The mass of aluminum & potassium in the sample analyzed.
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 49. g of butane is mixed with 150. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.
Assuming no change in volume of the solution, determine the pH, the concentration of barium ions in the final solution, and the mass of solid formed Explain each and every step in detail. I need proficient help in the above problems.
Solution A has a hydronium ion concentration of 3.8 X 10-8 M. Solution B has a hydronium ion concentration of 2.5 X 10-4 M. which solution has the larger hydronium ion concentration. and which solution has the larger pH.
K = 0.040 for the reaction below at 450C. If the reaction starts with .20M Cl2 and .20M PCl3 what concentration of PCl5 will be present at equilibrium PCl5(g) PCl3(g) + Cl2(g)
the density of pure silver is 10.5 gcm3 at 20degc. if 6.17 g of pure silver pellets is added to a graduated cylinder
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). Calculate the change in pH when 9.00 mL of 0.100 M NaOH(aq) is added to the original buffer s..
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