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Acetone is one of the most important solvents in organicchemistry, used to dissolve from fats and waxes to airplane glueand nail polish. At high temperatures, it decomposes in a firstorder process to methane and ketene (CH2=C=O). at 6.00 degreescelsius, the rate constant is 8.7 x 10^-3 s^-1.(a) What is the half-life of the reaction?(b) How long does it take for a 27% of a sample of acetone todecompose?(c) How long does it take for a 61% of a sample of acetone todecompose?
You are tasked with preparing 100 mL of a pH = 12.00 buffer. Each buffer component must have a concentration of at least 0.10 M.
write a balanced equation for the reaction of phosphorus trichloride pcl3 with water h2o forming phosphorous acid h3po3
Is it necessary to use the same solvent to dissolve the sample as is used to develop the tlc plate(TLC). Why
Which of the following species will always be a spectator ion in a precipitation reaction. Cl-, NO3-, Br-, NH4+, S2-, SO42-, K+ Is it K+ and NH4+, because they alkali metals and the ammonium ion are soluble in water
Nitrogen dioxide and water react to produce nitric acid HNO3, and nitrogen oxide: 3NO2(g) + H2O(l) -------- 2HNO3(aq) + NO(g)
If the initial concentration of A=2.5 mol/L, the initial [B]=1.4 mol/L, and the rate =0.29 moles of product per liter per minute (M/min). Calculate the rate constant K to 2 decimal places.
What is the pH when 25mL of .20M CH_3COOH has been titrated with 35mL of .10M NaOH
an ice cube tray holds 515 g water. if the water initially has a temperature of 21degc how many kilojoules of heat must
Determine the amount of work that must be supplied to the compressor and the temperature of the gas leaving the compressor b) Determine the heat load on the heat exchanger
How many liters of water are required to dilute 6.23mL of 12.2M HClO4 to make a solution with a pH of 2.34? Write your answer as 1.2E1L
What is the pH of a solution that is 0.125 M in methylamine (CH3NH2) and 0.175 M in methylamine chloride (CH3NH3Cl)?
At a certain temperature, the pH of a neutral solution is 7.72. What is the value of Kw at that temperature
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