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At what temperature do all three temprature scales have the same numerical values? pls show step by step or proof.
The buffer from Part A is diluted to 1.00 rm L. To half of it (500. rm mL), you add 0.0250 mol of hydrogen ions without changing the volume. What is the rm pH of the final solution?
Describe using chemical reactions how Oxone keeps swiming pool water clean (i.e. what would happen to the solubility of organic materials such as algae when treated with Oxone
A solution of iodine was standardized with ascorbic acid. A 0.1150 g sample of ascorbic acid required 28.37 mL of I2 to reach a starch end point. Calculate the molarity of the iodine solution.
the peptide Phe-Val-Lys-Ser using the appropriate protease in a phosphate buffer solution at pH=7. What two species would actually constitute the phosphate buffer?
which of the following ionic compounds are soluble in water and which are insoluble: a)KCl. b)MgSO4. c)CuS. d)AgNO3. e)Ca(OH)2
A molecule of chlorine dioxide (ClO2) at 25oC has a velocity of 306 m/s. What is the kinetic energy in joules of the molecule at this temperature?
moles of CuO produced: or formula how to find out moles of CuO for lab Decomposition of Malachite.
What is the pH at the half-stoichiometric point (that is, what is the pH when you have added 50% of the total volume of base required to react with all of the acid originally present?)
A buffer solution is prepared by mixing 50.0mL of 0.300 M NH3(aq) with 50.0mL of 0.300 M NH4Cl(aq). The pKb of NH3 is 4.74. NH3 + H20 ----> NH4+ + OH-
How many grams of CH4 is needed to produce 33.5 g CHCl3.
Find the gram formula mass of each compound.
liquid mercury at atmospheric pressure and 298K to 1.25L at constant temperature requires 46.6kbar (kilobars) of external pressure. What is the isothermal compressibility of Hg(l)?
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