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How come the reaction of terminal alkynes and alkenes with KMNO4 would yield a carboxylic acid and carbon dioxide? Why woulndn't the reaction yield a carboxylic acid and formic acid?
If you have 0.05M stock solutions of Tris Base and Tris Acid, how much of each would you use to make 100 ml of 0.05M Tris buffer at pH 8.8? The pKa of Tris is 8.3.
Glass tempering can be accomplished by both thermal and chemical means. Each puts the near surface region of the glass piece into compression, thereby suppressing growth of surface cracks.
If 100 grams of liquid water at 100 C and 200 grams of water at 20 C are mixed in an insulated container, what will be the final temperature of water
A solution is made by mixing 9.00 (millimoles) of HA and 3.00mmol of the strong base. What is the resulting pH
consider a .7 L of a buffer composed of 0.4 M HClO and 0.5 NaClO? How many moles of strong base could this buffer withstand?
What is the approximate pH of a solution of the salt NH4(O2CCH3) Ammonium Acetate? No calculations, only reasoning needed.
a sample of h20 with a mass of 46.0 grams has a temperature of -58.0 celcius. how many joules of energy are necessary
A 363 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 636 mmHg. Calculate the moles of Ar present.
A 1L vessel at 0C contains .23 mol N2, 1.6 mol of H2 and1.9 mol CH4. Calculate the pressure of the mixture and the partial pressure of each constituent gas.
An insulated tank is divided into two equal parts. Both halves contain the same ideal gas but one is at 300K and 2 bar while the other one is at 1 bar.
Notice that the reaction produces , which can be breathed, and absorbs , a product of respiration. Suppose you work for a company interested in producing a self-rescue breathing apparatus (based on the above reaction) which would allow the user to..
For H3PO4, a tripotic acid, Ka1 = 7.1 × 10-3, Ka2 = 6.3 × 10-8, and Ka3 = 4.5 × 10-13. What is the pH of a solution which contains 0.200 mol of K2HPO4 and 0.300 mol of Na3PO4 per liter of solution?
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