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Butyric acid (CH3CH2CH2COOH = HBt; MW = 88) is a particularly malodorous acid (found in rancid butter, parmesan cheese, and vomit (yuk!), and is also the cause of some body odor). Humans can detect the smell of HBt at concentrations of about 10 ppm in the atmosphere. Typically the way we minimize odor problems is to ensure that most of the butyric acid (TOTBt = [HBt] + [Bt-]) in the water is in the ionized form (i.e., Bt-). The total concentration of butyric acid (TOTBt) in a water sample is 1,000 mg/L as HBt and the pH = 5.5. What is the concentration of HBt in this water in mg/L? The following may be useful in solving this problem: HBt ? H+ + Bt- pKa = 4.82
a gas sample occupies 4.20 l under a pressure of 800 torr at 350K.At what temperature will it occupy 3.60 L at the same pressure?
One piece of copper jewelry at 108 degrees Celsius has exactly twice the mass of another piece, which is at 44 degrees Celsius. Both pieces are placed inside a calorimeter whose heat capacity is negligible.
in the experiment of recrystallization of naphthalenewhat is the additional step should be added to this procedure to
Calculate the mass (in grams) of sodium azide required to generate enough nitrogen gas to fill a 57.0-L air bag at 1.37 atm and 25.0 degree C
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When 1.0g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kj/c, the temperature of the calorimeter rises by 2.24 c. How many nutritional calories (Calories) are in one serving (..
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Derive the rate law expression for the chlorination of vinyl chloride based on this mechanism.
Write the molecular, total ionic and net ionic equations summarizing the reaction between aqueous solutions of potassium chloride and silver nitrate.
What amount of the ultimate carbonaceous BOD is remaining after this time?
if 122 ml of a 1.2 m glucose solution is diluted to 550.0 ml what is the molarity of the diluted
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