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Calculate the expected pH-value of a TRIS buffer solution (at 23oC), which is prepared by mixing 25.0 ml of 0.100M hydrochloric acid with 25.0 ml of a 0.200M TRIS solution and then adding water up to 100 ml (at 23o C, pK is 8.13).
If we have benzene, acetyl chloride, AlCl3 and HCl in a solution of NaoH and CH2Cl2 which of these will be in the NaOH layer and Which of them will be in the CH2Cl2 layer
question he and o2 gases are mixed. a 40l he cylinder with 10atm pressure is connected to a 10 l o2 cylinder with
Depict the expanded structural formula, condensed structural formula as well as line formula for (CH3)2CHCH2OCH2CH3
a 35 mL sample of NaOH solution is titrated to an endpoint by 14.76 mL 0.4122M HBr solutio. what is the molarity of the NaOH solution?
Do you experimental data substantiate the rule of thumb regarding the effect on the reaction rate of a 10-degree increase in reaction temperature. Briefly explain
The total precipitate was dissolved in HCl + HNO3. When the solution thus formed was treated with excess NaOH followed by H2O2, a colorless solution and a reddish brown precipitate were formed. The precipitate was found to be soluble in HCl, H2SO4..
Presume that gaseous hydrogen iodide is synthesized from hydrogen gas as well as iodine vapor at a 50*C where the equilibrium constant is 1.00 x 102. Suppose HI at 5.00 X 10-1 M, H2 at 1.00 X 10-2 M and I2 at 5.00X 10-3 M are mixed in a 5.0 L cont..
A rare gold coin (24 karat, or 100% gold) has a mass of 25.54 g. How many atoms of gold are present in this coin
what is the theoretical mass of xenon tetrafluoride that should form when 130 g of xenon is reacted with 100 g of f2?
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 15.0 fluid ounce drink from 71°F to 32°F, if the heat capacity of the drink is 4.18 J/g·°C?
The titration of a 0.1000 M HOCl (hypochlorous acid) is done using 0.1003 M NaOH. If a 25.00 mL aliquot of acid is used, determine the volume of NaOH required to reach the equivalence point
The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. When other atoms substitute for some of the Cl atoms
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