Q1 why the concentration of analytes has no potential effect on the retention time in GC and LC ? Q2 Explain how the “B/u” term of the van Deemter equation contributes to band broadening? Why is it inversely proportional to mobile ...
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Please reply to the following discussion. Participate in the discussion by asking a question, providing a statement of clarification, providing a point of view with a rationale, challenging an aspect of the discussion, or indicating a relationship between two or ...
The reaction of CrCl3 with liquid NH3 to give yellow [Cr(NH3)6]Cl3 often has a low yield,since the reaction tends to stop with the production of pink [Cr(NH3)5Cl]Cl2. However, adding a small piece of Na metal to the liquid NH3 results in ...
Please reply to the following discussion. Participate in the discussion by asking a question, providing a statement of clarification, providing a point of view with a rationale, challenging an aspect of the discussion, or indicating a relationship between two or ...
1. Explain the expected relative conductivity of 0.10 mol/L samples of hydrobromic acid, benzoic acid, and hydrocyanic acid. Answer (3 marks. Using the five-step method, predict the predominant Bronsted-Lowry acid base reaction when solutions of ammonium chloride and sodium ...
How Can Educators Effectively Promote Critical Thinking Skills In Students?Educators can foster critical thinking by encouraging open-ended discussions, pay someone to take my online class presenting real-world problems, and providing opportunities for analysis and reflection within the curriculum
Step 1 – Sketch the Lewis structure from the molecular formula, drawing approximate bond angles for each “central” atom. Step 2 – Describe the electron-pair geometry around each central atom, by counting electron groups (bonding plus nonbonding) around the central atom. ...
1. Express the rates of the products and the reactants in terms of changes in concentration with time for the following reaction H2 (g) + 2 ICl (g) I2 (g) + 2 HCl (g) 2 N2O5 (g) 4 NO2 (g) ...
Discussion Topic 1: Chemistry Connections (Using the APUS Library): http://site.ebrary.com/lib/apus/reader.action?docID=10188222 There is a lot of chemistry going on all around you. If you start to observe a bit more intentionally, you will notice many new discoveries, articles, news stories, and ...
We all have read about low carbohydrate, high protein, low cholesterol, and low fat diets and we understand the need to maintain a well-balanced diet. Or do we? To understand the role of carbohydrates, fats, and proteins as they pertain ...