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Problem- A certain volume of a 0.50M solution contains 4.6g of a salt. What mass of the salt is present in the same volume of a 2.2M solution?
I want you to explain the chemistry in this problem
For the formation of BHT from p-cresol, State a balanced mechanism and define why the new alkyl groups end up adjacent to the hydroxyl group.
The rate constant for a reaction increases by a factor of 10 when the temperature is raised from 250K to 325K. What is the activation energy for this reaction
a 0.464g sample of compound containing the elements carbon hydrogen oxygen and sulphur was burned completely yielding
An aqueous solution is 1.00% NaCl by mass. Its density is 1.071 g/mL at 25°C. The observed osmotic pressure of this solution is 7.83 atm at 25°C.
If 30.0mL of 0.500M KOH are needed to neutralize 10.0mL of HCl of unknown concentration, what's the molarity of HCl?
succinate dehydrogenase produces approximately 1.5 ATPs for each succinate oxidized. electrons passing down the electron transport system from succinate dehydrogenase pass through all of the following EXCEPT
Chlorine has two stable isotopes Cl-35 (34.968853) as well as Cl-37 (36.965903). If the isotopic abundance of Cl-35 is 75.77% Explain what is the average atomic weight of Cl given on the period table
A 0.8 g of that compound was vaporized and was found to occupy 700ml at 60C(Temperature) and 740 torr. What is the molecular weight and the molecular formula of the compound
How to Separate and isolate following compounds: 50% ethyl 4-aminobenzoate, 40% of benzoin, and, 10% 1-4 dibromobenzene.
a 100.0 ml sample of acetic acid solution of unknown molarity is titrated with 0.15 m naoh solution. the titration
One mole of an ideal gas (Cv=3/2R) is heated at (a)constant pressure and (b) constant volume from 298Kto 353K. Calculate delta_S for both cases.
consider a certain type of nucleus that has a rate constant of 2.62 10-2 min-1. calculate the time required for the
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