{“questions”:{“le04l”:{“id”:”le04l”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nProf.san 2004 \r\n\r\n \r\nSe reagiscono 2 moli di acido cloridrico con 1 mole di idrossido di bario,\r\nquante moli di cloruro di bario si formano\r\n“,”desc”:””,”hint”:””,”answers”:{“lgphz”:{“id”:”lgphz”,”image”:””,”imageId”:””,”title”:”A) 2″},”fie1j”:{“id”:”fie1j”,”image”:””,”imageId”:””,”title”:”B) 1″,”isCorrect”:”1″},”af9zj”:{“id”:”af9zj”,”image”:””,”imageId”:””,”title”:”C) 0,5″},”wiwr3″:{“id”:”wiwr3″,”image”:””,”imageId”:””,”title”:”D) 3″},”n6ld4″:{“id”:”n6ld4″,”image”:””,”imageId”:””,”title”:”E) 6″}}}},”results”:{“mcm3o”:{“id”:”mcm3o”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” …
-
-
{“questions”:{“j22xe”:{“id”:”j22xe”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nProf.san 2004\r\n\r\n \r\nI coefficienti stechiometrici della reazione Ca(OH)2 +H3PO4 \u21d2 Ca3(PO4)2+H2O\r\nsono:\r\n“,”desc”:””,”hint”:””,”answers”:{“7zpn6”:{“id”:”7zpn6″,”image”:””,”imageId”:””,”title”:”A) 2 + 3 = 2 + 6″},”tsxkl”:{“id”:”tsxkl”,”image”:””,”imageId”:””,”title”:”B) 3 + 2 = 4 + 12″},”x7e5e”:{“id”:”x7e5e”,”image”:””,”imageId”:””,”title”:”C) 2 + 3 = …
-
{“questions”:{“5uvtl”:{“id”:”5uvtl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2018\r\n\r\n \r\nQuali sono i valori da attribuire ai coefficienti a, b, c per bilanciare correttamente la seguente reazione chimica ?\r\n\r\n \r\naNH3 + bO2 \u2192 cNO + 6H2O \r\n“,”desc”:””,”hint”:””,”answers”:{“d63z8”:{“id”:”d63z8″,”image”:””,”imageId”:””,”title”:”A) …
-
{“questions”:{“0tqf6”:{“id”:”0tqf6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2018\r\n\r\n \r\nQuali sono i valori da attribuire ai coefficienti a, b, c per bilanciare correttamente la seguente reazione chimica? \r\n\r\n3Cl2 + aNaOH \u2192 bNaClO3 + cNaCl + 3H2O\r\n“,”desc”:””,”hint”:””,”answers”:{“w5ckm”:{“id”:”w5ckm”,”image”:””,”imageId”:””,”title”:”A) …
-
{“questions”:{“egy56”:{“id”:”egy56″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2017 \r\n\r\n \r\nLa seguente reazione non \u00e8 bilanciata. Quali coefficienti \u00e8 necessario usare per un corretto bilanciamento?\r\na KClO3 \u2192 b KCl + c O2\r\n“,”desc”:””,”hint”:””,”answers”:{“j6hg6”:{“id”:”j6hg6″,”image”:””,”imageId”:””,”title”:”A) a = 1; b …
-
{“questions”:{“uxchn”:{“id”:”uxchn”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2015 \r\n\r\n \r\nData l\u2019equazione:\r\n\r\na NH3 + b O2\u2192 4 NO + c H2O\r\n\r\nQuale valore deve avere il coefficiente b affinch\u00e9 l\u2019equazione sia bilanciata?\r\n“,”desc”:””,”hint”:””,”answers”:{“uuo1d”:{“id”:”uuo1d”,”image”:””,”imageId”:””,”title”:”A) 8″},”y3lz9″:{“id”:”y3lz9″,”image”:””,”imageId”:””,”title”:”B) 4″},”4f4kw”:{“id”:”4f4kw”,”image”:””,”imageId”:””,”title”:”C) 10″},”s33kl”:{“id”:”s33kl”,”image”:””,”imageId”:””,”title”:”D) 5″,”isCorrect”:”1″},”stlgy”:{“id”:”stlgy”,”image”:””,”imageId”:””,”title”:”E) 6″}}}},”results”:{“2ts1f”:{“id”:”2ts1f”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” …
-
{“questions”:{“uj2r5”:{“id”:”uj2r5″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2015\r\n\r\n \r\nData l\u2019equazione:\r\n\r\n3 Cu + x HNO3 \u2192 y Cu(NO3)2 + z H2O + 2 NO\r\n\r\nQuale valore devono avere i coefficienti x e z affinch\u00e9 l\u2019equazione sia bilanciata?\r\n“,”desc”:””,”hint”:””,”answers”:{“4j5ug”:{“id”:”4j5ug”,”image”:””,”imageId”:””,”title”:”A) …
-
{“questions”:{“4xaew”:{“id”:”4xaew”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2012\r\n\r\n \r\nNella reazione di ossidoriduzione HBrO3 + H2S \u2192 Br2 + S + H2O i coefficienti stechiometrici\r\nsono rispettivamente:\r\n“,”desc”:””,”hint”:””,”answers”:{“srpr8”:{“id”:”srpr8″,”image”:””,”imageId”:””,”title”:”A) 2:3 = 1:3:4 “},”y7t0p”:{“id”:”y7t0p”,”image”:””,”imageId”:””,”title”:”B) 2:5 = 1:5:6″,”isCorrect”:”1″},”mp6ym”:{“id”:”mp6ym”,”image”:””,”imageId”:””,”title”:”C) 1:2 = 1:2:5″},”fqxx2″:{“id”:”fqxx2″,”image”:””,”imageId”:””,”title”:”D) …
-
{“questions”:{“fwy4g”:{“id”:”fwy4g”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2013\r\n\r\n \r\nLa seguente equazione mostra la reazione tra un composto organico e l\u2019ossigeno.\r\n\r\na C2H5SH + b O2 \u2192c CO2 + 2SO2 + d H2O\r\nPer quale valore di b …
-
{“questions”:{“v3va6”:{“id”:”v3va6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012\r\n\r\n \r\nIndividua la successione numerica che indica correttamente i coefficienti della seguente reazione chimica:\r\n\r\nC6H6 + O2 \u2192 CO2 + H2O\r\n“,”desc”:””,”hint”:””,”answers”:{“3psqz”:{“id”:”3psqz”,”image”:””,”imageId”:””,”title”:”A) 2, 7 = 3, 1″},”7k1wv”:{“id”:”7k1wv”,”image”:””,”imageId”:””,”title”:”B) 1, 6 = …
