{"id":6004,"date":"2025-10-16T15:46:28","date_gmt":"2025-10-16T13:46:28","guid":{"rendered":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/?p=6004"},"modified":"2025-10-22T09:42:03","modified_gmt":"2025-10-22T07:42:03","slug":"calculs-de-quantites-de-matiere-sevaluer-sentrainer","status":"publish","type":"post","link":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/2025\/10\/16\/calculs-de-quantites-de-matiere-sevaluer-sentrainer\/","title":{"rendered":"Calculs de quantit\u00e9s de mati\u00e8re : s\u2019\u00e9valuer, s\u2019entrainer"},"content":{"rendered":"\n<p>Le parcours \u00c9L\u00c9A \u00ab Calculs de quantit\u00e9s de mati\u00e8re : s\u2019\u00e9valuer, s\u2019entrainer \u00bb a \u00e9t\u00e9 con\u00e7u pour accompagner le travail en autonomie des \u00e9l\u00e8ves hors la classe. Ce parcours comporte une banque de questions calculatoires permettant de d\u00e9velopper les capacit\u00e9s \u00e0 analyser une situation exp\u00e9rimentale, \u00e0 lister les grandeurs en jeu, \u00e0 rep\u00e9rer les relations utiles \u00e0 la r\u00e9solution du probl\u00e8me et \u00e0 installer des automatismes calculatoires.<\/p>\n\n\n\n<p>Ce travail est l\u2019\u00e9quivalent d\u2019exercices corrig\u00e9s avec des \u00e9l\u00e9ments de correction d\u00e9voil\u00e9s sous condition d\u2019une proposition de r\u00e9ponse. L\u2019\u00e9l\u00e8ve peut ainsi atteindre la r\u00e9ponse correcte en plusieurs tentatives.<\/p>\n\n\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2023\/07\/niveau.png\" alt=\"\" width=\"22\" height=\"20\" \/> <span style=\"color: #333399\"><strong><span style=\"color: #0d4798\">Seconde et Premi\u00e8re sp\u00e9cialit\u00e9 Physique Chimie \u00a0<\/span>\u00a0<\/strong><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2023\/09\/competence.png\" alt=\"\" width=\"22\" height=\"20\" \/> <span style=\"color: #0d4798\">Rep\u00e8re programme :\u00a0<br \/>\u00a0 \u00a0 \u00a0 <strong>Domaine 5 du CRCN\u00a0<\/strong>\/ 5.2 Environnement num\u00e9rique &#8211; \u00c9voluer dans un environnement num\u00e9rique\u00a0<\/span><\/p>\n<p><span style=\"color: #0d4798\">Seconde :<\/span><\/p>\n<ul>\n<li><span style=\"color: #0d4798\">D\u00e9terminer la masse d\u2019une entit\u00e9 \u00e0 partir de sa formule brute et de la masse des atomes\u00a0qui la composent.<\/span><\/li>\n<li><span style=\"color: #0d4798\">D\u00e9terminer le nombre d\u2019entit\u00e9s et la quantit\u00e9 de mati\u00e8re (en mol) d\u2019une esp\u00e8ce dans\u00a0une masse d\u2019\u00e9chantillon.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #0d4798\">Premi\u00e8re enseignement de sp\u00e9cialit\u00e9 :<\/span><\/p>\n<ul>\n<li><span style=\"color: #0d4798\">D\u00e9terminer la quantit\u00e9 de mati\u00e8re contenue dans un \u00e9chantillon de corps pur \u00e0 partir de\u00a0sa masse et du tableau p\u00e9riodique.<\/span><\/li>\n<li><span style=\"color: #0d4798\">Utiliser le volume molaire d\u2019un gaz pour d\u00e9terminer une quantit\u00e9 de mati\u00e8re.<\/span><\/li>\n<li><span style=\"color: #0d4798\">D\u00e9terminer la quantit\u00e9 de mati\u00e8re de chaque esp\u00e8ce dans un m\u00e9lange (liquide ou solide)\u00a0\u00e0 partir de sa composition.<\/span><\/li>\n<li><span style=\"color: #0d4798\">D\u00e9terminer la quantit\u00e9 de mati\u00e8re d\u2019un solut\u00e9 \u00e0 partir de sa concentration en masse ou\u00a0en quantit\u00e9 de mati\u00e8re et du volume de solution.<\/span><\/li>\n<\/ul>\n\n\n<h4 class=\"wp-block-heading\">Objectifs<\/h4>\n\n\n\n<ul style=\"background-color:#f6ffed\" class=\"wp-block-list has-background\">\n<li>S\u2019exercer \u00e0 r\u00e9aliser des calculs faisant intervenir la notion de quantit\u00e9 de mati\u00e8re<\/li>\n\n\n\n<li>Permettre aux \u00e9l\u00e8ves un travail en autonomie<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Parcours \u00c9l\u00e9a<\/h4>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f1f4f5\">Comment tester facilement ce parcours ELEA ? Les enseignants acc\u00e8dent \u00e0 l&rsquo;espace \u00c9LEA de leur \u00e9tablissement via le sommaire de l&rsquo;ENT, puis retrouvent ce parcours dans le <strong>R\u00e9seau des concepteurs \u00c9LEA <\/strong>avec les mots-cl\u00e9s \u00ab Ac Clermont \u00bb et \u00ab Physique-Chimie\u00a0\u00bb. Pour int\u00e9grer le parcours dans leur espace \u00c9LEA, il suffit de le dupliquer.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Fiche ressource pour le professeur<\/h4>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2025\/10\/FicheRessource_Calculs-quantites-de-matiere-v5.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 FicheRessource_Calculs-quantit\u00e9s-de-mati\u00e8re v5.\"><\/object><a id=\"wp-block-file--media-334883fa-7511-4393-9899-f7f98d804f97\" href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2025\/10\/FicheRessource_Calculs-quantites-de-matiere-v5.pdf\">FicheRessource_Calculs-quantit\u00e9s-de-mati\u00e8re v5<\/a><a href=\"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-content\/uploads\/sites\/6\/2025\/10\/FicheRessource_Calculs-quantites-de-matiere-v5.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-334883fa-7511-4393-9899-f7f98d804f97\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f1f9f9\">Les ressources cr\u00e9\u00e9es en 2024-2025 par les membres du p\u00f4le de comp\u00e9tences \u00ab\u00a0Physique-Chimie\u00a0\u00bb ont pour objectif d\u2019<strong>accompagner les \u00e9l\u00e8ves dans leurs apprentissages<\/strong>&nbsp;gr\u00e2ce \u00e0 des activit\u00e9s H5P et \u00c9l\u00e9a. <br>Responsable\/contact : Christine Bideux (<a href=\"mailto:christine.bideux@ac-clermont.fr\">christine.bideux@ac-clermont.fr)<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La maitrise des calculs de quantit\u00e9 de mati\u00e8re passe par des capacit\u00e9s \u00e0 analyser une situation, lister des grandeurs, rep\u00e9rer les relations utiles et n\u00e9cessite l\u2019installation d\u2019automatismes calculatoires.<\/p>\n","protected":false},"author":59,"featured_media":6007,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":""},"categories":[50,59],"tags":[85,77],"class_list":{"0":"post-6004","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physique-chimie","8":"category-ressources-poles","9":"tag-2024-2025","10":"tag-activite-elea","11":"czr-hentry"},"_links":{"self":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/6004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/users\/59"}],"replies":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/comments?post=6004"}],"version-history":[{"count":2,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/6004\/revisions"}],"predecessor-version":[{"id":6069,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/posts\/6004\/revisions\/6069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media\/6007"}],"wp:attachment":[{"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/media?parent=6004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/categories?post=6004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pedagogie.ac-clermont.fr\/numerique-educatif\/wp-json\/wp\/v2\/tags?post=6004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}