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An excess of NaOH solution was added to 100 ml of a ferric chloride solution.
This caused the precipitation of 1.425 gram of Fe(OH)3. calculate the normality of ferric chloride solution.
If antique brass is 30.0% zinc and 70.0% copper, how many grams of antique brass can be made from 18.0 grams of zinc and 35.1 grams of copper
explain the use of nuclear isotope in medical field.1. write a paragraph expaining what nuclear isotope can be used for
Which one of the following substituents is deactivating and ortho-para directing in electrophilic aromatic substitution reactions. a. -Cl b. -CO2H c. -N(CH3)2 d. -CH=CH2
For a particular reaction at 172.4 degrees Celsius, delta G =296.31 kj/mol as well as delta S= 926.92 J/(mol*K). Compute the delta G for this reaction at -54.4 degrees Celsius.
A sample of an unknown peptide undergoes a single round of Edman degradation, which liberates ATZ-Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin. The table below shows the fragments.
1) What is the shape around the nitrogen atom in NH3. Draw the shape of the molecule. 2)? Draw the electron symbol for MG+2. 3) Draw the electron symbol for C
what precipitate is formed when solutions of aluminum nitrate and calcium chromate are mixed? what mass of precipitate
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution
The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+
What is ΔS°′ for the reaction at 298 K if ΔG°′ = -28.3 kJ/mol and ΔH°′ = +3.9kJ/mol?I'm not sure how to find ΔG°′ without knowing the equilibrium constant (Keq), I think I'm supposed to use this equation: ?G=?H-T?S but I don't know how to get ?G fro..
zinc reacts with iodine in a synthesis reaction. determine the theoretical yield if a 125.0g sample of zinc was used.
C2H5OH solution has a density of 1.01 g/mL. Calculate the molarity of the C2H5OH solution
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