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What are the importance of electrons in chemistry? What do electrons have to do with chemistry, and why are they important? Do electrons alone explain chemistry? Give some examples and explanation of the concept.
Chloromethane,CH3Cl, arises from the oceans and from microbial fermentation and is found throughout the environment. It is used in the manufacture of various chemicals and has been used as a topical anesthetic.
Lactic acid, CH3CH (OH)COOH, has a Ka value of1.4x10-4. Explain how many grams of lactic acid must be added to make 193.0 mL of solution with a pH of 2.27
you measure 2.34 g of k2cr2o7 into a volumetric flask. you dilute the k2cr2o7 with water to a volume of 250 ml. it
Explain the theory and feature of Fluorescence spectroscopy, and what are advantage and disadvantage of it, and when we do experiment.
what is the ph of a solution that is 0.100 M in HCl and also 0.125 M in HC2H3O2? What is the concentration of the acetate ion in this solution?
What is the molecular, ionic, and net-ionc forms when nitric acid + chromium(3)hydroxide (Solid)(assume complete neutralization)
The acid dissociation constant for hypochlorous acid is 3.0X10-8. Calculate the concentration of H3O at equilibrium if the initial concentration of HClO ia 5.5x10-3M
If carbon dioxide gas is collected over water at 25C and 775 torr, what is the partial pressure of the CO2? The vapor pressure of water is 23.8 torr at 25C.
Chlorine was passed over 1.30 g of heated titanium, and 4.20 g of a chloride-containing compound of Ti was obtained. What is the empirical formula of the chloride-containing compound
Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom violate the octet rule or do the oxygen atoms? Use formal charges to decide.
calculate the mass of sodium nitrate, NaNO3, required to produce 7.00g of oxygen according to the following reaction:
Concentrated acetic acid is 17.5 M; vinegar is 0.87 M acetic acid. How much concentrated acid do you need to make 24 L of vinegar
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