Explain how to make an acetic acid
Question: Briefly, explain how to make an acetic acid/ acetate buffer? Give the chemical reaction between this buffer and a small addition of base (OH-), which explains why the pH of the solution remains about the same?
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A 17.9 g sample of an alloy at 98.0°C is placed into 127.2 g of water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the al
The vapor pressure of a water-insoluble organic substance is negligible at 100 degree C. Can this substance be purified by steam distillation? explain.
The molecule H2S2 has a linear arrangement of its atoms. Number all sulfur atoms along the chain from 1 to 4. Find the oxidation number of each sulphur in the molecule from the first to the fourth.
Which of the following reagents might serve as the basis for a simple chemical test that would distinguish between pure 1-hexane?
Briefly, explain how to make an acetic acid/ acetate buffer? Give the chemical reaction between this buffer and a small addition of base (OH-), which explains why the pH of the solution remains about the same?
Describe the difference between the temperature vs time cooling curve of a pure substance and a solution.
0.100 moles of NaOH are combined with 0.125 moles acetic acid. the mixture is taken to a final volume of 100.0ml. what is the expected pH of the solution?
A KCl solution is prepared by dissolving 25.0 g KCl in 250.0 g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.76 mm Hg?
Gallium arsenide is a common semiconductor. This material becomes a conductor when irradiated with infrared light whose frequency is 3.43 × 1014 s-1. Calculate the band gap of GaAs in kJ/mol.
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