Archives

{“questions”:{“nula8”:{“id”:”nula8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nQual \u00e8 la concentrazione di ioni Ag+ in una soluzione satura di AgCl, sapendo che il prodotto di solubilit\u00e0 di AgCl \u00e8 2,0\u00d710\u201210 mol2\/L2?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“5i0au”:{“id”:”5i0au”,”image”:””,”imageId”:””,”title”:”A)\t4,0\u00d710\u201220 mol\/L “},”dpnrx”:{“id”:”dpnrx”,”image”:””,”imageId”:””,”title”:”B)\t2,0\u00d710\u201210 mol\/L”},”ugxo5″:{“id”:”ugxo5″,”image”:””,”imageId”:””,”title”:”C)\t1,0\u00d710\u201210mol\/L”},”wz8kc”:{“id”:”wz8kc”,”image”:””,”imageId”:””,”title”:”D)\t1,4\u00d710\u20125 …

{“questions”:{“czp7k”:{“id”:”czp7k”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nAffinch\u00e9 un composto sia aromatico \u00e8 necessario che:\r\n“,”desc”:””,”hint”:””,”answers”:{“td00x”:{“id”:”td00x”,”image”:””,”imageId”:””,”title”:”A)\ti suoi atomi siano ibridizzati sp3“},”jix1g”:{“id”:”jix1g”,”image”:””,”imageId”:””,”title”:”B)\tcontenga solo atomi di carbonio e idrogeno”},”ak00g”:{“id”:”ak00g”,”image”:””,”imageId”:””,”title”:”C)\tcontenga elettroni \u03c0 delocalizzati”,”isCorrect”:”1″},”j33i2″:{“id”:”j33i2″,”image”:””,”imageId”:””,”title”:”D)\tnon sia ciclico”},”0vsa3″:{“id”:”0vsa3″,”image”:””,”imageId”:””,”title”:”E)\tcontenga legami tripli”}}}},”results”:{“zzyw9”:{“id”:”zzyw9″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nUn …

{“questions”:{“2vr21”:{“id”:”2vr21″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n \r\nQuale delle seguenti rappresenta una possibile terna di numeri quantici?\r\n“,”desc”:””,”hint”:””,”answers”:{“tpogp”:{“id”:”tpogp”,”image”:””,”imageId”:””,”title”:”A)\tn = 2 l = 2 m = -2″},”slzqy”:{“id”:”slzqy”,”image”:””,”imageId”:””,”title”:”B)\tn = 3 l = 2 m = -1″,”isCorrect”:”1″},”mdj4t”:{“id”:”mdj4t”,”image”:””,”imageId”:””,”title”:”C)\tn = …

{“questions”:{“10xrm”:{“id”:”10xrm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nI costituenti del fosfato di calcio [Ca3(PO4)2] hanno le seguenti masse molari espresse in g\/mol: Ca = 40, P = 31, O = 16. Si pu\u00f2 affermare …

{“questions”:{“u7x39”:{“id”:”u7x39″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nmedicina 2018\r\n \r\n I composti con formula CnH2n:\r\n“,”desc”:””,”hint”:””,”answers”:{“dt9dr”:{“id”:”dt9dr”,”image”:””,”imageId”:””,”title”:”A)\tpossono essere cicloalcani o alcheni”,”isCorrect”:”1″},”9x0z0″:{“id”:”9x0z0″,”image”:””,”imageId”:””,”title”:”B)\tpossono essere cicloalcheni o alchini”},”f2b9n”:{“id”:”f2b9n”,”image”:””,”imageId”:””,”title”:”C)\tsono sicuramente cicloalcani”},”td1m8″:{“id”:”td1m8″,”image”:””,”imageId”:””,”title”:”D)\tsono sicuramente alcheni”},”f3o0o”:{“id”:”f3o0o”,”image”:””,”imageId”:””,”title”:”E)\tsono sicuramente alchini”}}}},”results”:{“tyuwd”:{“id”:”tyuwd”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” \r\nLe formule generali degli idrocarburi sono:\r\n\r\n \r\nAlcani\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CnH2n+2\r\n\r\n …

{“questions”:{“b1s04”:{“id”:”b1s04″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n Medicina 2018\r\n Quali sono i valori da attribuire ai coefficienti a, b, c per bilanciare correttamente la seguente reazione chimica? \r\n\r\n \r\n 3Cl2 + aNaOH \u2192 bNaClO3 …

{“questions”:{“to0x8”:{“id”:”to0x8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n \r\nSe si aggiungono 500 mL di una soluzione di H2SO4 0,05 M a 500 mL di una soluzione di NaOH 0,08 M quale sar\u00e0 il pH misurato …

{“questions”:{“zu50o”:{“id”:”zu50o”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nQuale delle seguenti molecole NON \u00e8 lineare secondo la teoria VSEPR?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“b95wl”:{“id”:”b95wl”,”image”:””,”imageId”:””,”title”:”A)\tCaH2“},”fmnod”:{“id”:”fmnod”,”image”:””,”imageId”:””,”title”:”B)\tHCN”},”m1ded”:{“id”:”m1ded”,”image”:””,”imageId”:””,”title”:”C)\tCO2“},”oelo4”:{“id”:”oelo4″,”image”:””,”imageId”:””,”title”:”D)\tC2H2“},”pa9yd”:{“id”:”pa9yd”,”image”:””,”imageId”:””,”title”:”E)\tSO2“,”isCorrect”:”1″}}}},”results”:{“pd2se”:{“id”:”pd2se”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Pu\u00f2 risultare difficile conoscere la struttura spaziale dell\u2019anidride solforosa SO2 . Si pu\u00f2 comunque procedere per …

{“questions”:{“idt5u”:{“id”:”idt5u”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nQuale dei seguenti composti si dissocia liberando 3 ioni per ogni unit\u00e0 formula?\r\n“,”desc”:””,”hint”:””,”answers”:{“363h7”:{“id”:”363h7″,”image”:””,”imageId”:””,”title”:”A)\tNa3PO4“},”10w3y”:{“id”:”10w3y”,”image”:””,”imageId”:””,”title”:”B)\tHgCl2“,”isCorrect”:”1″},”65ie2″:{“id”:”65ie2″,”image”:””,”imageId”:””,”title”:”C)\tNH4MnO4“},”spivw”:{“id”:”spivw”,”image”:””,”imageId”:””,”title”:”D)\tCH3COOH”},”r739m”:{“id”:”r739m”,”image”:””,”imageId”:””,”title”:”E)\tKOH”}}}},”results”:{“ct1dp”:{“id”:”ct1dp”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:”I composti proposti dalle risposte in acqua si dissociano secondo le seguenti reazioni:\r\n \r\n \r\n …

{“questions”:{“vhq3n”:{“id”:”vhq3n”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nLe forze intermolecolari di van der Waals agiscono solamente:\r\n“,”desc”:””,”hint”:””,”answers”:{“dy1rt”:{“id”:”dy1rt”,”image”:””,”imageId”:””,”title”:”A)\tse altri tipi di forze sono meno favorevoli”},”fo0ss”:{“id”:”fo0ss”,”image”:””,”imageId”:””,”title”:”B)\tfra molecole apolari allo stato liquido”},”rsf7n”:{“id”:”rsf7n”,”image”:””,”imageId”:””,”title”:”C)\tfra molecole polari allo stato solido”},”eq421″:{“id”:”eq421″,”image”:””,”imageId”:””,”title”:”D)\tfra atomi sufficientemente vicini …