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Oxygen gas effuses at a rate that is 1.49 times that of an unknown gas (at the same temperature). What is the identity of the unknown gas?
You wish to extract an organic compound from an aqueous phase into an organic layer (3 to 6 extractions with a separatory funnel). With regard to minimizing the number of transfer steps,
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 26.50 mL of 0.0502 M NaOH but overshoot the end point, and the solution turns deep pink.
The ionization energy for potassium is 419 \rm kJ/mol. The electron affinity for bromine is -325 \rm kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction:
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere.
Can somebody give me examples of how hard acid base theory can be used to predict reactivity. I understand that hard binds to hard and soft binds to soft, but could someone give me examples
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
2 ml of heptane plu 2 ml of alpha pinene give 4 ml of solution. howmany grams per ml are in that mixture? suppose you
Use Henderson-Hassalbach equation. The pKa of Tris-HCl is 8.1. After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution?
Calculate the molarity of the ions present in these salt solutions. Assume each salt to be 100% dissociated. Please show all work.
A 1.013-g sample of ZnSO4xH2O is dissolved in an aqueous solution of BaCl2. The pure BaSO4 precipitate is filtered out of solution, dried, and its mass is determined to be 0.9400 g. What is the value of x in ZnSO4xH2O?
How old is a bottle of wine if the tritium (3H) content is 25% that of a new wine? The half-life of tritium is 12.5 years.
What types differences in the H-NMR spectra of starting material and product do you expect to see camphor, borneol
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