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Aniline () is an organic base used in the manufacture of dyes. Calculate the in a 0.12 solution of aniline ().
determine the evaporator temperature at which a single-stage R22 plant will cease to produce any refrigerating effect in delhi where the condenser temperature is 42 degree C
Determine the cell reaction, the standard cell potential (E0cell) and the half-cell that acts as the cathode for the voltaic cells composed of the following half-cells.
Calculate the volume of 6 M NaOH required to react completely with the amount of methyl salicylate you used. How much of the 6 M NaOH that you used was in excess of the theoretical amount?
A flask contains both A and B. Both decompose following first order kinetics with half-lives of 50 and 18 minutes, for A and B respectively. If the concentrations of a and b are initially the same, how long will it take for the concentration of a ..
calculate q, w, delta E, and delta H for the process in which 88.0g of nitrous oxide gas (N2O) is cooled from 165 degrees celsius to 55 degrees celsius at a constant pressure of 5.00 atm.
europium europium is a chemical element with the symbol eu and atomic number 63 crystallizes in a body-centered cubic
If the pressure exerted by ozone, O3, 3.0x10-3 atm and the temperature is 247 K , how many ozone molecules are in a liter.
The oxidation of HSO3(-) by O2 in aqueous solution is a reaction of importance to the processes of acid rain formation and flue gas desulfurization.
nitrobenzenediazonium chloride occurs mainly para to the -N(CH3)2 group of N,N-dimethylaniline but ortho
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water.
Malonic acid =HOOC-CH2-COOH abbreviated H2A 50 100 150 200 vol. of NaOH added (mL) Point B Given that Kal = 1.5 X 10-3and KaZ= 2.0 X 10-6for malonic acid, answer the following questions: A. Write out the reactions and the equilibrium expressions a..
a 20.0-ml sample of 0.400 m hbr solution is titrated with 0.400 m naoh solution. calculate the ph of the solution after
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