Pre-Service Chemistry Teachers’ Ideas about Reaction Mechanism

dc.creator	Özgecan TAŞTAN
dc.creator	Eylem YALÇINKAYA
dc.creator	Yezdan BOZ
dc.date	2010-03-01T00:00:00Z
dc.date.accessioned	2015-08-12T11:22:21Z
dc.date.available	2015-08-12T11:22:21Z
dc.identifier	1304-6020
dc.identifier	https://doaj.org/article/8c9198da11c74fc3af4e35c0a9726c17
dc.identifier.uri	http://evidence.thinkportal.org/handle/123456789/29381
dc.description	The purpose of this study is to examine Turkish pre-service chemistry teachers’ (N=49) conceptions about the reaction mechanisms for given situations. Participants’ ideas were elicited through the open-ended questions and the semi-structured interviews related to the reaction mechanism. Several conceptual difficulties were exhibited by pre-service chemistry teachers. The outcomes of the study revealed that some of the prospective teachers were not aware that slow step of a reaction mechanism is the rate determining step. They also tried to explain the effect of concentration on the reaction rate by means of Le Chatelier’s principle. It was also found that prospective chemistry teachers had difficulties in writing the mechanism of a reaction from a given potential energy curve. In addition to these, most of the participants could not differentiate between activated complex and reaction intermediate by using the energy values of the substances in a given graph.
dc.language	Turkish
dc.language	English
dc.publisher	Ekip Ltd. Sti
dc.relation	www.tused.org
dc.relation	https://doaj.org/toc/1304-6020
dc.source	Journal of Turkish Science Education, Vol 7, Iss 1, Pp 47-60 (2010)
dc.subject	Pre-Service Chemistry Teachers
dc.subject	Chemical Kinetics
dc.subject	Reaction Mechanism
dc.subject	Alternative Conception
dc.subject	Special aspects of education
dc.subject	LC8-6691
dc.subject	Education
dc.subject	L
dc.subject	DOAJ:Education
dc.subject	DOAJ:Social Sciences
dc.subject	Special aspects of education
dc.subject	LC8-6691
dc.subject	Education
dc.subject	L
dc.subject	DOAJ:Education
dc.subject	DOAJ:Social Sciences
dc.subject	Special aspects of education
dc.subject	LC8-6691
dc.subject	Education
dc.subject	L
dc.subject	Special aspects of education
dc.subject	LC8-6691
dc.subject	Education
dc.subject	L
dc.subject	Special aspects of education
dc.subject	LC8-6691
dc.subject	Education
dc.subject	L
dc.title	Pre-Service Chemistry Teachers’ Ideas about Reaction Mechanism
dc.type	article