{“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) …
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{“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 …
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{“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”:” …
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{“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) …
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{“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) …
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{“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 …
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{“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 = …
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{“questions”:{“5j7yb”:{“id”:”5j7yb”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nAssegnare gli opportuni coefficienti stechiometrici alla seguente reazione:\r\n\r\nKClO3 + H2SO4 \u2192 KHSO4 + HClO4 + ClO2 + H2O\r\n\r\n“,”desc”:””,”hint”:””,”answers”:{“40pgo”:{“id”:”40pgo”,”image”:””,”imageId”:””,”title”:”A) 2; 2 \u2192 2; 1; 1; 1″},”fgi1z”:{“id”:”fgi1z”,”image”:””,”imageId”:””,”title”:”B) 3; 3 …
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{“questions”:{“4uu9h”:{“id”:”4uu9h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011\r\n\r\n \r\nIndicare quale tra le seguenti reazioni \u00e8 bilanciata:\r\n“,”desc”:””,”hint”:””,”answers”:{“vnt7r”:{“id”:”vnt7r”,”image”:””,”imageId”:””,”title”:”A) SO2 + Ni2O3 \u2192 Ni2(SO3)3“},”tx1nf”:{“id”:”tx1nf”,”image”:””,”imageId”:””,”title”:”B) 2SO2 + Ni2O3 \u2192 2Ni2(SO3)3“},”0u1wh”:{“id”:”0u1wh”,”image”:””,”imageId”:””,”title”:”C) SO2 + 2Ni2O3 \u2192 Ni2(SO3)3“},”yyc8k”:{“id”:”yyc8k”,”image”:””,”imageId”:””,”title”:”D) 3SO2 + Ni2O3 \u2192 …
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{“questions”:{“qzdlq”:{“id”:”qzdlq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2011\r\n\r\n \r\nIdentificare la corretta combinazione dei coefficienti stechiometrici dopo aver bilanciato la seguente reazione redox.\r\nIO3\u2013 + H2S \u2192 I2 + SO32- + H2O + H+\r\n“,”desc”:””,”hint”:””,”answers”:{“uabl2”:{“id”:”uabl2″,”image”:””,”imageId”:””,”title”:”A) 2:1 \u2192 1:1:1:2 …
