Other Chemistry Answers

Why we always choose ammonia to prepare the buffer solution with pH=10 but not the methylamine?

At 1000K, K_p = 1.85 for the reaction

What is the value of K_p for the reaction

Compare 1.0 mol/L sodium hydroxide with 1.0 mol/L ammonia (written as ammonium hydroxide) by recreating similar diagrams of dissociation and concentration as those provided to you for the acid comparison. Assume ammonia dissociates only 1%. What would you expect to see if you tested the conductivity and pH of each? Why is there a difference in reactivity if there is 1 mole of acid in a given litre?

As a Ministry of Environment environmental technician, you are sent to take water for testing. Two of the test sites experienced fish kills and a third, without a fish kill, was used as a comparison site. In an attempt to explain why the fish died at these sites, the water was analyzed for the following chemicals:

SitepHNO₃^1-PO₄^3-Dissolved O₂Suspended solidsA8.00.2 ppm0.2 ppm8.0 ppmLowB4.30.2 ppm0.2 ppm7.0 ppmHighC6.05.0 ppm6.0 ppm3.0 ppmMedium

Access the long description of the table.

Location of sample sites:

Your job is to provide an analysis of the test results to come up with a hypothesis for the experienced fish kills. Site A did not experience any fish kills and is used as a reference site.

Compare 1.0 mol/L sodium hydroxide with 1.0 mol/L ammonia (written as ammonium hydroxide) by recreating similar diagrams of dissociation and concentration as those provided to you for the acid comparison. Assume ammonia dissociates only 1%. What would you expect to see if you tested the conductivity and pH of each? Why is there a difference in reactivity if there is 1 mole of acid in a given litre?

Please explain how to prepare the following solutions

               1 litre of  3%  (w/v)  NaCl solution

               250 g of 8% (w/w) NaOH solution

               150 ml 2% (w/v) Bovine Serum Albumin Solution