Identify the structure highlighted in red (preset 5). 

Identify the highlighted structure (preset 2). 

In your own words, referring to what we have discussed in this lesson, do your best to explain the overall structure of a Toulmin argument. What do you “get” and what do you not understand?

Identify the structure highlighted in blue. (Preset 2)

A radioactive isotope has a half-life of {hl} minutes. What fraction of the initial sample remains after {ti} minutes?

You have {vb} mL of a buffer solution containing {ha} M acetic acid, CH3COOH, and {ba} M sodium acetate, CH3COONa. What will the pH of this solution be after the addition of {vn} mL of {nb} M NaOH solution? The acid dissociation constant for acetic acid is 1.8 x 10−5.

Identify the structure highlighted in green. (Preset 8)

Identify the structure highlighted in red (Preset 6). 

If a reaction has the following thermodynamic values, ΔH°rxn = {H} kJ/mol and ΔS°rxn = {S} J/K mol, at what temperature (in K) does this reaction become spontaneous?

Look at the following student work for simplifying the expression      Student Steps: What is the student’s primary misconception?