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{“questions”:{“3xqs5”:{“id”:”3xqs5″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nNel triangolo isoscele ABC la mediana AM misura 5 cm e la tangente dell\u2019angolo ACB \u00e8 5\/13. Qual \u00e8 la misura, in cm, della base BC?\r\n“,”desc”:””,”hint”:””,”answers”:{“w3lni”:{“id”:”w3lni”,”image”:””,”imageId”:””,”title”:”A)\t10″},”ta80o”:{“id”:”ta80o”,”image”:””,”imageId”:””,”title”:”B)\t26″,”isCorrect”:”1″},”l4r75″:{“id”:”l4r75″,”image”:””,”imageId”:””,”title”:”C)\t18″},”lxz87″:{“id”:”lxz87″,”image”:””,”imageId”:””,”title”:”D)\t13″},”xys9d”:{“id”:”xys9d”,”image”:””,”imageId”:””,”title”:”E)\t5″}}}},”results”:{“ot0ic”:{“id”:”ot0ic”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\n \r\n \r\n …

{“questions”:{“ck4lr”:{“id”:”ck4lr”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n \r\nIl pH di una soluzione contenente acido formico 0,4 M e formiato di sodio 1,0 M \u00e8 4,15.\r\n\r\n \r\nQuale sar\u00e0 il pH della medesima soluzione se viene …

{“questions”:{“ffnwz”:{“id”:”ffnwz”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n \r\nIn opportune condizioni il prodotto di solubilit\u00e0 di Zn(OH)2 \u00e8 1,2\u00d710\u201217. Quale delle seguenti affermazioni \u00e8 corretta?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“rsdxy”:{“id”:”rsdxy”,”image”:””,”imageId”:””,”title”:”A)\tIl prodotto di solubilit\u00e0 di Zn(OH)2 non dipende dalla temperatura”},”a72vm”:{“id”:”a72vm”,”image”:””,”imageId”:””,”title”:”B)\tLa solubilit\u00e0 …

{“questions”:{“pd2u5”:{“id”:”pd2u5″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n \r\nIl matraccio pi\u00f9 adatto per sciogliere 10g di NaOH (Massa molare = 40 g\/mol) e ottenere una soluzione 5,0 M avr\u00e0 un volume pari a:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“10w6n”:{“id”:”10w6n”,”image”:””,”imageId”:””,”title”:”A)\t50 mL “,”isCorrect”:”1″},”jfzsy”:{“id”:”jfzsy”,”image”:””,”imageId”:””,”title”:”B)\t10 …

{“questions”:{“u7wf8”:{“id”:”u7wf8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n Una camera di scoppio contiene 10 moli di H2 e 7 moli di O2. Quante moli saranno complessivamente presenti in seguito all\u2019esplosione di questa miscela?\r\n“,”desc”:””,”hint”:””,”answers”:{“8kz58”:{“id”:”8kz58″,”image”:””,”imageId”:””,”title”:”A)\t12″,”isCorrect”:”1″},”t4kie”:{“id”:”t4kie”,”image”:””,”imageId”:””,”title”:”B)\t10″},”u14lp”:{“id”:”u14lp”,”image”:””,”imageId”:””,”title”:”C)\t3″},”uvymg”:{“id”:”uvymg”,”image”:””,”imageId”:””,”title”:”D)\t17″},”trevi”:{“id”:”trevi”,”image”:””,”imageId”:””,”title”:”E)\t7″}}}},”results”:{“xibbu”:{“id”:”xibbu”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nL\u2019idrogeno H2 …

{“questions”:{“snytc”:{“id”:”snytc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nPer quale di queste molecole si pu\u00f2 prevedere una geometria ottaedrica?\r\n“,”desc”:””,”hint”:””,”answers”:{“v0zf4”:{“id”:”v0zf4″,”image”:””,”imageId”:””,”title”:”A)\tBrF3“},”gbzdg”:{“id”:”gbzdg”,”image”:””,”imageId”:””,”title”:”B)\tSeF6“,”isCorrect”:”1″},”2ip1e”:{“id”:”2ip1e”,”image”:””,”imageId”:””,”title”:”C)\tPF5“},”i4fo6”:{“id”:”i4fo6″,”image”:””,”imageId”:””,”title”:”D)\tSF4“},”uf9ar”:{“id”:”uf9ar”,”image”:””,”imageId”:””,”title”:”E)\tBF3“}}}},”results”:{“xzket”:{“id”:”xzket”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\n \r\n \r\n Come gi\u00e0 per il precedente quiz, anche questo \u00e8 particolarmente difficile per uno studente con …

{“questions”:{“ee0zh”:{“id”:”ee0zh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nIn quale dei seguenti composti \u00e8 rispettata la regola dell\u2019ottetto?\r\n“,”desc”:””,”hint”:””,”answers”:{“pars3”:{“id”:”pars3″,”image”:””,”imageId”:””,”title”:”A)\tBrO2“},”2qwmc”:{“id”:”2qwmc”,”image”:””,”imageId”:””,”title”:”B)\tBF3“},”bz4al”:{“id”:”bz4al”,”image”:””,”imageId”:””,”title”:”C)\tPF5“},”rh2kl”:{“id”:”rh2kl”,”image”:””,”imageId”:””,”title”:”D)\tNO”},”eyk37″:{“id”:”eyk37″,”image”:””,”imageId”:””,”title”:”E)\tNF3“,”isCorrect”:”1″}}}},”results”:{“lx4l2”:{“id”:”lx4l2″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nQuiz particolarmente difficile per uno studente con una preparazione di tipo liceale. A scuola si studiano quasi esclusivamente configurazioni …

{“questions”:{“w3vac”:{“id”:”w3vac”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n \r\nLa configurazione elettronica dello ione Li+ \u00e8 rappresentata da:\r\n“,”desc”:””,”hint”:””,”answers”:{“ulnfg”:{“id”:”ulnfg”,”image”:””,”imageId”:””,”title”:”A)\t1s2 2s1“},”2tbe2”:{“id”:”2tbe2″,”image”:””,”imageId”:””,”title”:”B)\t1s1 2s2“},”uvbmn”:{“id”:”uvbmn”,”image”:””,”imageId”:””,”title”:”C)\t1s2“,”isCorrect”:”1″},”7du7g”:{“id”:”7du7g”,”image”:””,”imageId”:””,”title”:”D)\t1s1“},”4ecma”:{“id”:”4ecma”,”image”:””,”imageId”:””,”title”:”E)\t1s1 2s12p1“}}}},”results”:{“2ctag”:{“id”:”2ctag”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLa configurazione elettronica del litio, terzo elemento della tavola periodica \u00e8: 1s2 2s1\r\n\r\n \r\nQuando perde …

{“questions”:{“hvbae”:{“id”:”hvbae”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2020\r\n\r\n \r\nQuale fra le seguenti affermazioni riguardanti molecole organiche \u00e8 corretta?\r\n“,”desc”:””,”hint”:””,”answers”:{“mmmew”:{“id”:”mmmew”,”image”:””,”imageId”:””,”title”:”A)\tLe aldeidi non contengono il gruppo carbonilico”},”3nwcq”:{“id”:”3nwcq”,”image”:””,”imageId”:””,”title”:”B)\tLe ammidi contengono il gruppo carbonilico”,”isCorrect”:”1″},”9z7o1″:{“id”:”9z7o1″,”image”:””,”imageId”:””,”title”:”C)\tLe ammidi non contengono alcun atomo di …

{“questions”:{“zjvlk”:{“id”:”zjvlk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nAd un palloncino contenente 1,0 moli di elio gas a 25 \u00b0C vengono aggiunte altre 3,0 moli di elio. Se la temperatura resta costante e il volume del palloncino …