The learning of solving multi-step problems is a relevant aim in chemical education for engineering students. In these questions, after analyzing initial data, a complex reasoning and an elaborated mathematical procedure is needed to achieve the correct numerical answer. However, many students are able to effectively use algorithms even with a…

Lecture discourse has been conventionally known to be of a monological nature. However, lectures are more highly regarded if they allow for reciprocal discourse, especially for students of other languages who need help in understanding the content and in appropriating the language. In this paper, we will attempt a qualitative analysis of the…