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Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.84 g of sodium and 4.37 g of chlorine. Which of the following could be the results of the decomposition of the other sample, being consistent with the law of constant composition (also called the law of definite proportions or law of definite composition)?
4.17 g of sodium and 3.75 g of chlorine
4.17 g of sodium and 6.42 g of chlorine
4.17 g of sodium and 1.05 g of chlorine
4.17 g of sodium and 12.1 g of chlorine
Methyl Orange was synthesized using a diazo-coupling reaction. Show how you would synthesize Yellow #3 and Red #32
C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions
Which of these is likely to be the best conductor of electricity?
The density of liquid oxygen at its boiling point is 1.14kg/L , and its heat of vaporization is 213kJ/kg. How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized.
the average european woman consumes food with energy content of 7525kj. what is the daily intake in kilocalories or food calories
propose two reasons why the results of some of your reactions in this lab do not agree with what is predicted using the established solubility riles.
A 0.1276g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base had been added
What is the minimum mass of each reactant necessary to produce 200 g of sulfuric acid in nthe following reaction?
Why do solutions of iodide ion in water appear yellow when I- is oxidized to I2 by a suitable oxidizing agent, while solutions of I- in CCl4 or CHCl2 appear violet when the same oxidationis done?
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
b) Determine the hybrid state of each C. c) Draw the molecule geometrically correctly showing its ?- and ?-bonds and the atomic orbitals used to form each bond.
A gas sample has an original volume of 800 ml when collected at 710 mm and 30°C. What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C?
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