The student provides a focused and detailed description of the main topic in the Introduction, investigating the enthalpy of combustion of alcohols and determining their suitability. However, they should have elaborated on the methods of controlling variables and their potential impact on the results of the experiment. Additionally, the student does not show any consideration for ethical or environmental concerns. On the positive side, the student provides relevant and focused background information, explains the chemistry well enough for the reader to understand without difficulty, and uses a highly appropriate methodology to answer the research question.
