Archives

{“questions”:{“nmoeh”:{“id”:”nmoeh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2000\r\n\r\n \r\nIl valore massimo del numero di ossidazione del cloro \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“3x0n7”:{“id”:”3x0n7″,”image”:””,”imageId”:””,”title”:”A) +1″},”9cvqw”:{“id”:”9cvqw”,”image”:””,”imageId”:””,”title”:”B) -1″},”hvo4f”:{“id”:”hvo4f”,”image”:””,”imageId”:””,”title”:”C) 0″},”qowfu”:{“id”:”qowfu”,”image”:””,”imageId”:””,”title”:”D) +7″,”isCorrect”:”1″},”s6pah”:{“id”:”s6pah”,”image”:””,”imageId”:””,”title”:”E) +3″}}}},”results”:{“2ouus”:{“id”:”2ouus”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl cloro Cl possiede i seguenti possibili numeri di ossidazione \u20131, +1, …

{“questions”:{“0orvp”:{“id”:”0orvp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1999 \r\n\r\n \r\nIl numero di ossidazione del Manganese nel composto HMnO4 \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“7mri3”:{“id”:”7mri3″,”image”:””,”imageId”:””,”title”:”A) +7″,”isCorrect”:”1″},”stxkm”:{“id”:”stxkm”,”image”:””,”imageId”:””,”title”:”B) +3″},”ahd1i”:{“id”:”ahd1i”,”image”:””,”imageId”:””,”title”:”C) -7″},”eglpc”:{“id”:”eglpc”,”image”:””,”imageId”:””,”title”:”D) -3″},”ln5mk”:{“id”:”ln5mk”,”image”:””,”imageId”:””,”title”:”E) +8″}}}},”results”:{“spgcj”:{“id”:”spgcj”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nPer effettuare il calcolo si tiene presente la regola che afferma …

{“questions”:{“vw19e”:{“id”:”vw19e”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1998\r\n\r\n \r\nQuale delle sequenze sottoindicate \u00e8 ordinata secondo numeri di ossidazione crescenti per l’azoto?\r\n“,”desc”:””,”hint”:””,”answers”:{“01j4t”:{“id”:”01j4t”,”image”:””,”imageId”:””,”title”:”A) HNO3 HNO2 N2O4“},”wcgmj”:{“id”:”wcgmj”,”image”:””,”imageId”:””,”title”:”B) N2O4 HNO3 HNO2“},”w7rpm”:{“id”:”w7rpm”,”image”:””,”imageId”:””,”title”:”C) HNO3 N2O4 HNO2“},”n5m2m”:{“id”:”n5m2m”,”image”:””,”imageId”:””,”title”:”D) NO N2O4 HNO2“},”qbzj5”:{“id”:”qbzj5″,”image”:””,”imageId”:””,”title”:”E) N2H4 NO …

{“questions”:{“2ico5”:{“id”:”2ico5″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1997 \r\n\r\n \r\nSapendo che il numero atomico di un dato elemento \u00e8 16, indicare quale dei seguenti valori \u00e8 quello corrispondente al suo numero di ossidazione massimo:\r\n“,”desc”:””,”hint”:””,”answers”:{“g6n9y”:{“id”:”g6n9y”,”image”:””,”imageId”:””,”title”:”A) +3″},”xsqd8″:{“id”:”xsqd8″,”image”:””,”imageId”:””,”title”:”B) …

{“questions”:{“m57ky”:{“id”:”m57ky”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1997 \r\n\r\n \r\nLa somma algebrica dei numeri di ossidazione di tutti gli atomi contenuti in un anione bivalente \u00e8:\r\n\r\n\r\n“,”desc”:””,”hint”:””,”answers”:{“5okd9”:{“id”:”5okd9″,”image”:””,”imageId”:””,”title”:”A) -2″,”isCorrect”:”1″},”1jp7f”:{“id”:”1jp7f”,”image”:””,”imageId”:””,”title”:”B) +2″},”tgj4c”:{“id”:”tgj4c”,”image”:””,”imageId”:””,”title”:”C) zero”},”ic5xj”:{“id”:”ic5xj”,”image”:””,”imageId”:””,”title”:”D) -4″},”up011″:{“id”:”up011″,”image”:””,”imageId”:””,”title”:”E) indefinibile perch\u00e9 dipende dalla natura …

{“questions”:{“5v18n”:{“id”:”5v18n”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2018 \r\n\r\n \r\nI ponti idrogeno che determinano elevata coesione tra molecole di acqua si formano tra:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“fa4ri”:{“id”:”fa4ri”,”image”:””,”imageId”:””,”title”:”A) due atomi di ossigeno di molecole diverse”},”awpbo”:{“id”:”awpbo”,”image”:””,”imageId”:””,”title”:”B) due atomi di idrogeno della …

{“questions”:{“heqgy”:{“id”:”heqgy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nLe forze intermolecolari di van der Waals agiscono solamente:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“j1qs4”:{“id”:”j1qs4″,”image”:””,”imageId”:””,”title”:”A) se altri tipi di forze sono meno favorevoli”},”4vu4r”:{“id”:”4vu4r”,”image”:””,”imageId”:””,”title”:”B) fra molecole apolari allo stato liquido”},”f311a”:{“id”:”f311a”,”image”:””,”imageId”:””,”title”:”C) fra molecole polari allo …

{“questions”:{“iyghh”:{“id”:”iyghh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2014 \r\n\r\n \r\nQuale tipo di forze intermolecolari esiste nel tetraclorometano?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“qo8ur”:{“id”:”qo8ur”,”image”:””,”imageId”:””,”title”:”A) Attrazione istantanea dipolo-dipolo”,”isCorrect”:”1″},”cj1e4″:{“id”:”cj1e4″,”image”:””,”imageId”:””,”title”:”B) Attrazione permanente dipolo-dipolo”},”9bo6u”:{“id”:”9bo6u”,”image”:””,”imageId”:””,”title”:”C) Legame idrogeno”},”7zsem”:{“id”:”7zsem”,”image”:””,”imageId”:””,”title”:”D) Legame ionico”},”pzm74″:{“id”:”pzm74″,”image”:””,”imageId”:””,”title”:”E) Legame covalente”}}}},”results”:{“7c6gw”:{“id”:”7c6gw”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:””,”redirect_url”:””},”1krdd”:{“id”:”1krdd”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIl tetraclorometano CCl4 possiede una simmetria …

{“questions”:{“pkbhi”:{“id”:”pkbhi”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015 \r\n\r\n \r\nL\u2019ammoniaca (NH3) ha un punto di ebollizione pari a \u201333 \u00b0C. La fosfina (PH3) ha invece un punto di ebollizione pari a \u201388 \u00b0C. Quale delle …

{“questions”:{“d1oq2”:{“id”:”d1oq2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015 \r\n\r\n \r\nDate le tre coppie di sostanze indicate di seguito, si identifichi per ogni coppia quale sostanza presenta forze intermolecolari maggiori.\r\n 1. CH4 e CBr4\r\n 2. N2 …