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{“questions”:{“c403k”:{“id”:”c403k”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nUna mole di gas perfetto, inizialmente nello stato P, V, T (con T misurata in gradi Kelvin), viene portata nello stato 1\/2P, 2V. Qual \u00e8 la nuova temperatura del …

{“questions”:{“05dez”:{“id”:”05dez”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nSecondo la legge di Proust, in un composto chimico:\r\n“,”desc”:””,”hint”:””,”answers”:{“mrpof”:{“id”:”mrpof”,”image”:””,”imageId”:””,”title”:”A)\til rapporto tra le masse degli elementi che lo compongono \u00e8 sempre uguale al rapporto tra il numero dei loro atomi …

{“questions”:{“vcq1p”:{“id”:”vcq1p”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nIl sistema tampone acido carbonico\/bicarbonato contribuisce a mantenere costante il pH del sangue, secondo i seguenti equilibri:\r\n\r\n\r\n 2H2O + CO2 \u21c6 H2CO3 + H2O \u21c6 H3O+ + …

{“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 …