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{“questions”:{“95hbc”:{“id”:”95hbc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2005\r\n\r\n \r\nUn volume di 11,2 litri di CH4 in condizioni standard (0\u00b0 C e 1 atm) ha una massa pari a grammi:\r\n“,”desc”:””,”hint”:””,”answers”:{“3gqjo”:{“id”:”3gqjo”,”image”:””,”imageId”:””,”title”:”A) 4″},”65wya”:{“id”:”65wya”,”image”:””,”imageId”:””,”title”:”B) 11″},”pcwdo”:{“id”:”pcwdo”,”image”:””,”imageId”:””,”title”:”C) 10″},”5owur”:{“id”:”5owur”,”image”:””,”imageId”:””,”title”:”D) 8″,”isCorrect”:”1″},”2zwuz”:{“id”:”2zwuz”,”image”:””,”imageId”:””,”title”:”E) 16″}}}},”results”:{“xhwsd”:{“id”:”xhwsd”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nIn …

{“questions”:{“0ndhq”:{“id”:”0ndhq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2014\r\n\r\n \r\nIl cloro ha due isotopi con masse atomiche relative di 35 u e 37 u. Un campione di CH2Cl2 ha una massa molecolare relativa di 86 u. …

{“questions”:{“whgxk”:{“id”:”whgxk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2013\r\n\r\n \r\nIl neon possiede tre isotopi con massa atomica relativa di 22,0 u, 21,0 u e 20,0 u la cui frequenza relativa \u00e8 11,2 : 0,2 : 114. …

{“questions”:{“lxeb8”:{“id”:”lxeb8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012\r\n\r\n \r\nSupponendo che l\u2019abbondanza relativa dei diversi isotopi del cloro sia: 75% cloro-35 (34,96 u.m.a.) e 25% cloro-37 (36,96 u.m.a.), la massa del cloro risulterebbe:\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“iowkf”:{“id”:”iowkf”,”image”:””,”imageId”:””,”title”:”A) 34,96 u.m.a.”},”u47y2″:{“id”:”u47y2″,”image”:””,”imageId”:””,”title”:”B) 35,46 …

{“questions”:{“22tr9”:{“id”:”22tr9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nQuiz \u03c0test\r\n\r\n \r\nQuale \u00e8 la percentuale in massa dell\u2019ossigeno nell\u2019 acido solforico? \r\n\r\n \r\n[sono note le masse atomiche H: 1 uma S: 32 uma O: 16 uma]\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“948ff”:{“id”:”948ff”,”image”:””,”imageId”:””,”title”:”A) 8%”},”f4zx3″:{“id”:”f4zx3″,”image”:””,”imageId”:””,”title”:”B) 18%\r\n\r\n”},”6bbq7″:{“id”:”6bbq7″,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“qupmh”:{“id”:”qupmh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2014\r\n\r\n \r\nUn composto ha la seguente composizione percentuale in massa:\r\n\r\n \r\n40,2 % K\u00a0\u00a0\u00a0\u00a0\u00a0\u00a026,9 % Cr\u00a0\u00a0\u00a0\u00a0\u00a032,9 % O\r\n\r\n \r\nQual \u00e8 la formula empirica di tale composto?\r\n\r\n \r\n[Massa atomica relativa: …

{“questions”:{“84osc”:{“id”:”84osc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2011\r\n\r\n \r\nA quante moli corrispondono 9,0 ml di un composto avente P.M. 153, e densit\u00e0 1,7 g\/ml?\r\n“,”desc”:””,”hint”:””,”answers”:{“0sznp”:{“id”:”0sznp”,”image”:””,”imageId”:””,”title”:”A) 0,29″},”cjt73″:{“id”:”cjt73″,”image”:””,”imageId”:””,”title”:”B) 0,10″,”isCorrect”:”1″},”eh917″:{“id”:”eh917″,”image”:””,”imageId”:””,”title”:”C) 1,0″},”ef4xm”:{“id”:”ef4xm”,”image”:””,”imageId”:””,”title”:”D) 10,0″},”96yrg”:{“id”:”96yrg”,”image”:””,”imageId”:””,”title”:”E) 0,050″}}}},”results”:{“hj51a”:{“id”:”hj51a”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nI dati forniti dal quiz sono:\r\n\r\n …

{“questions”:{“4u2n8”:{“id”:”4u2n8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nQual \u00e8 la massa corrispondente a 0,051 moli di un composto la cui massa molare \u00e8 pari a 181,1 g\/mol?\r\n“,”desc”:””,”hint”:””,”answers”:{“4x3ka”:{“id”:”4x3ka”,”image”:””,”imageId”:””,”title”:”A) 92,4 g”},”m4mio”:{“id”:”m4mio”,”image”:””,”imageId”:””,”title”:”B) 18,11 g”},”8k03p”:{“id”:”8k03p”,”image”:””,”imageId”:””,”title”:”C) 4,618 g”},”fi0xz”:{“id”:”fi0xz”,”image”:””,”imageId”:””,”title”:”D) 9,236 …

{“questions”:{“ah4qm”:{“id”:”ah4qm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nQuante molecole sono contenute in 0,1 moli di O2?\r\n“,”desc”:””,”hint”:””,”answers”:{“bhha6”:{“id”:”bhha6″,”image”:””,”imageId”:””,”title”:”A) 6,02 \u00d7 1024“},”dii2u”:{“id”:”dii2u”,”image”:””,”imageId”:””,”title”:”B) 1,20 \u00d7 10\u201224“},”sr9mt”:{“id”:”sr9mt”,”image”:””,”imageId”:””,”title”:”C) 6,02 \u00d7 1022“,”isCorrect”:”1″},”rtgli”:{“id”:”rtgli”,”image”:””,”imageId”:””,”title”:”D) 6,02 \u00d7 10\u201222“},”xznfn”:{“id”:”xznfn”,”image”:””,”imageId”:””,”title”:”E) 1,20 \u00d7 1023“}}}},”results”:{“81ons”:{“id”:”81ons”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nSappiamo che una …

{“questions”:{“mdqxy”:{“id”:”mdqxy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nA quante moli corrispondono 4,0 ml di un composto avente massa molecolare pari a 50 u.m.a. e densit\u00e0 1,25 g\/ml?\r\n“,”desc”:””,”hint”:””,”answers”:{“6sx9e”:{“id”:”6sx9e”,”image”:””,”imageId”:””,”title”:”A) 0,01″},”wgbig”:{“id”:”wgbig”,”image”:””,”imageId”:””,”title”:”B) 0,1″,”isCorrect”:”1″},”31un5″:{“id”:”31un5″,”image”:””,”imageId”:””,”title”:”C) 0,003″},”n4e33″:{“id”:”n4e33″,”image”:””,”imageId”:””,”title”:”D) 0,5″},”ouf9l”:{“id”:”ouf9l”,”image”:””,”imageId”:””,”title”:”E) 0,2″}}}},”results”:{“atlte”:{“id”:”atlte”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nI dati …