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Question- In 2011, researchers showed that hypochlorous acid (HClO) generated by white blood cells kills bacteria. Calculate (Ka)=2.9X10^-8 the percent dissociation of :( A). 0.40 M HClO, (B) 0.035 M HClO
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Calculate the pH of this solution. B) A 150 mL of 0.15 M NH3 is slowly added to 25 mL of 02 M HCl. What is the pH of the resulting solution
jacob couldnt find the 6 m h2so4 so instead substituted the 6 m hno3 that was available. what change was most likely
If a balloon has a volume of 1.20 L on a warm 32 ºC day, If the same balloon is placed in the freezer and cooled to -18 ºCm define what volume will it occupy
How to Name and Define Acids, How can you know that HNO3 is nitric acid and HNO2 is nitrous acid? How do you know the difference in endings?
The steam is comes out of the feed water at 200 C. The water at a flow rate of 500 kg/h enters the feed water heater at 20C. Calculate the feed water exit temperature.
a student dispensed 82mL sodium hydroxide(titrant) into the lemon juice(analyte) before the end point was reached. Estimate the analyte concentration, assuming that the acid in the lemon juice is monoprotic.
2-Methylhexane demonstrate an intense peak in the mass spectrum at m/z = 43. Offer a likely structure for this fragment.
Problem- The pKb values for bibasic base B are pKb1= 2.10 and pkB2= 7.39, calculate the pH at the flowing points in titration of 50.0mL of a .55M B with .55M HCl.
Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the value may differ from the tabular value).
density generally increase decrease or remain unchanged when items are heated,Briefly explain your answer?
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
Formic acid, HCHO2, is a weak electrolyte; What are the solute particles present in aqueous solution of each compound
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