Si ha un passaggio di calore quando avviene un passaggio[br]spontaneo di energia da un corpo più caldo a uno più freddo[br]La quantità di calore scambiata è misurata in calorie. La[br]caloria non appartiene al sistema internazionale ma è ancora in uso.[br]Una caloria è la quantità di calore che deve essere[br]assorbito da 1g di acqua distillata per innalzare la sua temperatura di 1° da[br]14,5° a 15,5° alla pressione atmosferica normale.[br][br][br]ENERGIA IN TRANSITO[br][br][br][url=https://www.google.it/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjP7r6goJbgAhVMzaQKHUTRBUcQjRx6BAgBEAU&url=https%3A%2F%2Fslideplayer.it%2Fslide%2F1006160%2F&psig=AOvVaw1yt6-8ShvkxwnGpX6uwRlM&ust=1548963282697245][img width=471,height=353]https://slideplayer.it/slide/1006160/3/images/3/2.2+Energia+in+transito+Calore+e+lavoro+sono+modi+per+trasferire+energia+da+una+sistema+a+un+altro%2C+sono+energia+in+transito..jpg[/img][/url] [br][br]LA MISURAZIONE DEL CALORE [br][br]Lo strumento per misurare i trasferimenti di calore è[br] il calorimetro: un contenitore di bassa capacità termica, tale da [br]non assorbire molto calore, e ben isolato termicamente.[br][br][br][br]LA PROPAGAZIONE DEL CALORE:[br][br] CONDUZIONE[br][br] La conduzione è un meccanismo di propagazione del calore in cui si ha trasporto[br] di energia da un corpo solido ad un altro, posti a diversa temperatura,[br] a contatto tra loro e senza spostamento di materia.[br] Vi sono buoni o cattivi conduttori di calore. [br]Alla prima categoria appartengono tutti i metalli, mentre alla seconda, per esempio, lana, legno e tutti i liquidi in [url=http://generale.la/]g[/url]enerale. [br]La diversa conduzione dei corpi si può facilmente sperimentare immergendo in [br]un contenitore con acqua calda due cucchiai (uno di legno ed uno di metallo). [br]Dopo un certo intervallo di tempo si potrà osservare che il cucchiaio di metallo scotta [br]mentre quello di legno no. A causa della struttura microscopica del metallo, [br]il calore si propaga velocemente nelle molecole, consentendo così[br] la propagazione del calore per conduzione. [br] [img]http://lh5.ggpht.com/-vTqSOm80F5k/TgLh-Rz5m8I/AAAAAAAADdE/-gARKKjbNY4/Conduzione%252520del%252520calore_thumb%25255B1%25255D.jpg?imgmax=800[/img][br][br][br][br][br]CONVENZIONE[br][br]Si dice che il calore si propaga per convezione quando la propagazione [br]avviene nei fluidi, dove il calore si propaga per spostamento di materia.[br]Per esempio, i radiatori, che sono fatti di metallo e che contengono acqua calda, [br]si scaldano per conduzione e a loro volta scaldano l'aria vicina.[br] Si forma così una corrente convettiva di aria che fa aumentare la temperatura della stanza.[br][br][br][img]http://blog.riscaldamentoapavimentoceramiche.sicilia.it/wp-content/uploads/2016/05/moto-convettivo.jpeg[/img][br][br] IRRAGGIAMENTO [br][br] Il calore si propaga per irraggiamento quando la trasmissione del calore tra [br]due corpi avviene attraverso le radiazioni emesse [br]da una sorgente, anche se fra i due c’è il vuoto.[br]Al contrario dei processi di conduzione e convezione, la trasmissione del calore[br] nell'irraggiamento avviene nel vuoto."Irraggiare” significa “emettere radiazioni”.[br] Tutti i corpi emettono (e assorbono) radiazioni elettromagnetiche.[br] Queste radiazioni trasportano energia, quando investono un corpo e vengono assorbite, [br]provocano un aumento di energia cinetica delle molecole[br] e quindi un innalzamento della temperatura.[br]E’ attraverso l’irraggiamento che si propaga il calore che il Sole [br]invia sulla Terra o si riscalda una stanza utilizzando una stufa elettrica.[br] La quantità di energia che un corpo assorbe per irraggiamento dipende molto[br] dallo stato della sua superficie (se la superficie è, per esempio, nera l’assorbimento è massimo).[br][br][br][img]https://d2wmefcb92kfgk.cloudfront.net/sites/www.voltimum.it/files/fields/main_image/it/hotspot/1334648764.jpg[/img][br] [br][br][br][br][br][br]I CAMBIAMENTI DI STATO[br][br]I cambianti di stato sono dovuti ad una variazione di temperatura. Esempi di passaggi di stati di aggregazione della materia sono: [br][list][*]dallo stato solido allo stato liquido: FUSIONE[br][/*][/list][url=https://www.google.it/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiny-_vmpbgAhVHjqQKHVewDtwQjRx6BAgBEAU&url=http%3A%2F%2Fwww.cesareodoc.it%2Fcdvertiamo%2Fscienze%2Ffusione.htm&psig=AOvVaw30K_M7Uhx1qVL2lh2TNt2K&ust=1548961863722911][img width=346,height=353]http://www.cesareodoc.it/cdvertiamo/scienze/img/fusione.gif[/img][/url][list][*] dallo stato liquido allo stato gassoso: VAPORIZZAZIONE[br][/*][/list] [url=https://www.google.it/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwiJpYb-nZbgAhXKyKQKHSmBDyoQjRx6BAgBEAU&url=https%3A%2F%2Fslideplayer.it%2Fslide%2F5476629%2F&psig=AOvVaw1-YrL_sXFyIFWxjQkwImb-&ust=1548962335862242][img width=471,height=353]https://slideplayer.it/slide/5476629/17/images/9/EVAPORAZIONE+Metti+dell%E2%80%99acqua+in+una+pentola+e+la+pentola+sul+fuoco..jpg[/img][/url][list][*]da vapore a liquido: 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[/img][/url][list][*] da liquido a solido: SOLIDIFICAZIONE[br][/*][/list][url=https://www.google.it/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ahUKEwjxl8KSn5bgAhVMsKQKHWJWCaAQjRx6BAgBEAU&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DTo95gE4wbh8&psig=AOvVaw3eyWYFwOPXCusC_lAk7JbS&ust=1548963020022461][img width=471,height=353]https://i.ytimg.com/vi/To95gE4wbh8/hqdefault.jpg[/img][/url] [list][*]da solido a gassoso : SUBLIMAZIONE [/*][/list][img]http://madscientist.altervista.org/chimica/esperimenti/sublimazione/sublima.jpg[/img][br] [br]L'acqua è l'una sostanza capace di attraversare tutti i cambiamenti di stato.[br][br]In tutte le trasformazioni il calore aumenta, rimane costante e aumenta nuovamente ed allo stesso modo diminuisce, rimane costante e diminuisce nuovamente.