This study describes the use of worksheet activities based on alternative concepts from a two-tiered diagnostic assessment on chemical phenomena to remediate 37 first year non-major chemistry pre-service teachers' alternative conceptions about word chemical equations. The instruments for data collection were tiered assessments and group learning…

This study developed an e-resource for six topics and six activities for CHE 242 that could be implemented through the hybrid learning approach. The research employed the analysis, design, development, implementation, and evaluation model but particularly focused on the analysis phase only, in this study. One hundred and two students who enrolled…

Chemical stoichiometry is a conceptual framework that encompasses other concepts such as the mole, writing of chemical equations in word and representative form, balancing of equations and the equilibrium concept. The underlying concepts enable students to understand relationships among entities of matter and required amounts for use when…