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Fe solution has an estimated concentration of 0.04 mg/mL, calculate the concentration of Fe (uM) for 10 mL, 7mL, 5 mL, 2 mL and 1 mL of the 100 mL standard calibration solutions you will make.
Explain why do we need potassium carbonate before distillation? I did an ethanol from sucrose lab as well as the TA had to put potassium carbonate in the mixture before we utilized fractional distillation to separate the 3 liquids
If an enhancer is placed on one plasmid as well as its corresponding promoter is placed on a second plasmid that is catenated (linked) with the first initiation is almost as efficient as when the enhancers as well as promoter are on the same plasm..
solvents in addition to acetone could be used for extracting plant photosynthetic pigments
has a volume of 58.0L and a pressure of 645mmHg. What is the temperature, in kelvins and degrees Celsius, of the gas?
calculate the energy change for the reaction kg ig rarr kg i- g given the following ionization energy ie and electron
A 31.5g wafer of pure gold initially at 69.3Celcius is submerged into 63.5g of water at 27.4 celcius in an insulated container. What is the final temperature of both substances at thermal equilibrium
What are the correct oxidation states for the following compounds? P in H3PO4, Mn in Mn(O4)2- anion, and O in O2F2
How many milliliters (to two decimal places) of a 0.919 M H2SO4 solution must be used to make 300.0 mL of a 0.100 M H2SO4 solution
Calculate the pH at the equivalence point for the titration of .25 M CH3COOH with M NaOH.
For this question imagine that sea water is a 3.5 mass % solution of NaCl with a density of 1.00g/mL. Assume full dissociation of the NaCl. a) Calculate the freezing point of sea water. Briefly explain why it is not 0 (degrees Celsius).
A 7.96 gram sample of silver reacts with oxygen to form 8.55 gram of the metal oxide. What is the formula of the oxide?
In the reaction of sodium benzoate with hydrochloric acid to form benzoic acid, if one started with 12.3 mmol of sodium benzoate
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