Reviewer name: Tianyu Duan
1. Synopsis: Zero-order reaction was defined as a process in which the rate acts independently with the reaction concentration. This idea differs from first and second order reactions as well. The author uses the differential forms of the rate law to further explain the zero-order reaction. Furthermore, the graphs of the zero-order reactions demonstrate that the rate is completely separate from reaction concentrations. Lastly, the module examines the relationship between half-life and zero-order reactions, stating that initial concentration of rate constant and the reaction is dependent on the half-life.
2. I would say this module is not ready to go to VET 2 level. There weren't any spelling errors. However, all the module really told me was that in zero-order reactions, rate and reaction concentrations were independent. It needs to show how the zero-order reaction is applied, especially examples of using zero-order to solve chemistry problems.
3. Review Details: To begin, the format of this module is good. It follows chronologic order; it follows logic sense. Yet, I find that the module is too short, to efficiently explain the concepts of Zero-order Reaction. Additionally, this module lacked figures, it lacked tables, and examples. I feel like the author should have put some example problems to accentuate the ideas being presented. Having how the module is different from first and second order reactions is important too. There were a couple grammar issues, include the units of K [are], etc.
4. Fix: Changed the unit of K [is] and fixed an awkward sentence, "half-life is a time scale in which the initial population is decreased by half".
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6. Figure Check: The module had graphs, but they were not labeled as figures. When scanned when Tineye, nothing came up. However, the reverse image search is quite unreliable as even commercial images can come up empty. However, I am positive that these images of graphs were not taken from commercial sites.