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Problem- Addition of HCl and HNO3 both dissolve MnS when added to a saturated aqueous solution.
Explain how each assists the dissolution process. Comprise equations.
Draw a structure of the species that is formed at the lower PH if the acid proton adds to the azo nitrogen atom adjacent to the aromaic ring containing the SO3- group. Why does the proton adds to this particular nitrogen when two other nitrogen at..
sketch a graph of potential energy versus dihedral angle about the c-c bond of 12-dichloroethane. show the energy
State the composition and the properties of the ketohexose derived from fruit jam. Describe the manner in which ketohexose acts as a reducing sugar in the test.
What is the molecular weight of thiopene, if 0.74 g of thiopene occupies a volume of 270 mL at 760 mmHg and 100 degrees C?
The % mass composition of 0.1458g sample of a compound was measured by burning the compound in an excess of oxygen.
what are the freezing point and boiling point of an aquenous solution of 15.5g glucose c6h12o6 dissolved in 150 g of
The standard addition method for he trace spectrophotometric analysis of iron is based on dilution of the sample to 500 ml in volumetric flask. two 25 ml samples of this solution are taken
During steel formation, why do the following reactions cause the temperature in the converter to increase?
Presume you were dissolving a metal such as zinc with hydrochloric acid. Explain how would the particle size of the zinc influence the rate of its dissolution
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. (a) Calculate the molar concentration of Cl- in this solution. (b) How many grams of Cl- are in 0.100 L of this solution?
What occurs at the molecular level of an extraction? We did an extraction of benzoic acid using NaOH and diethyl ether dried to 1, 4-dimethoxybenzoate using NaOh
Cyclohexene as well as 2-hexyne both have the molecular formulaC6H10. How would you use infrared spectroscopy to distinguish between the two compounds
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