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Barometer and optical level.

",{"_22":65,"_60":66,"_62":67},"37503eb9-b904-49b5-bd39-f93cbcec776c","B","

Theodolite and distance measurement method.

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Total station and barometer.

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Optical level and miras.

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What are the instruments used in trigonometric leveling?

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Quem perde elétrons sofre oxidação; quem ganha, redução (II). O agente oxidante recebe elétrons, ou seja, é reduzido, promovendo a oxidação do outro (III). Já o agente redutor doa elétrons, sendo oxidado, e provoca a redução alheia (IV). Assim, todas as afirmações estão corretas.","Em relação às reações de oxirredução, avalie as afirmacoes a seguir: I. A oxirredução é a transferência de elétrons entre átomos. II. A oxidação é a perda de elétrons e a redução é o ganho de elétrons. III. Oxidante é o elemento (ou substância) que sofre redução e que provoca oxidação. IV. Redutor é o elemento (ou substância) que sofre oxidação e que provoca redução. É correto o que se afirma em:",[219],{"_22":220,"_35":221,"_37":222,"_124":125,"_126":223,"_97":141,"_99":141,"_24":224,"_101":227},"06ea968f-7043-4177-87b0-3e60aea861df","Engenharia Agronômica (Agronomia)","engenharia-agronomica-agronomia","eb9315c5-bd04-4116-aa46-02c4fde320c0",{"_129":225,"_131":132,"_133":226},30,58757,"engenharia-agronomica-agronomia-1",{"_18":229,"_20":21,"_22":230,"_56":231,"_75":246,"_76":247,"_29":248},"5338dc1b-67cc-4c91-a297-f045b41794df","9adbe44e-a671-4c91-a244-6432e2006049",[232,235,237,240,243],{"_22":233,"_60":61,"_62":234},"e39b843d-78b6-4a59-8650-891814715a6e","p = 11; e = 10; n = 12; ficou negativo.",{"_22":229,"_60":66,"_62":236},"p = 11; e = 10; n = 12; ficou positivo.",{"_22":238,"_60":70,"_62":239},"296c9165-5191-473f-8b4c-d7db78c4097c","p = 10; e = 10; n = 13; ficou negativo.",{"_22":241,"_60":73,"_62":242},"c5c1b3f6-ca27-48b8-9904-befcffb63321","p = 11; e = 12; n = 22; ficou positivo.",{"_22":244,"_60":214,"_62":245},"5db72a6b-e66e-4270-9f08-566add3f9dfc","p = 11; e = 22; n = 23; ficou negativo.","O número atômico (Z) indica 11 prótons. O número de massa (A = 23) menos Z dá os nêutrons: 23 – 11 = 12. Em estado neutro teria 11 elétrons, mas ao perder 1 elétron fica com 10 elétrons. O excesso de prótons (11+) sobre elétrons (10−) gera carga +1, portanto o átomo torna-se um cátion (positivo).","Em determinadas condições experimentais, um átomo pode ganhar ou perder elétrons. Um átomo de sódio de número atômico 11 (Z = 11) e número de massa 23 (A = 23) perdeu um elétron. Assinale a alternativa correta com a quantidade de prótons, elétrons e nêutrons que ele ficou, bem como se ele ficou positivo ou negativo:",[249],{"_22":220,"_35":221,"_37":222,"_124":125,"_126":223,"_97":141,"_99":141,"_24":250,"_101":227},{"_129":225,"_131":132,"_133":226},{"_18":252,"_20":21,"_22":253,"_56":254,"_75":269,"_76":270,"_29":271},"97fe6500-9744-4a35-bf45-3a64616d0bde","d2b20562-3fdb-4cd8-b0e5-31c240b7ed06",[255,258,261,264,266],{"_22":256,"_60":61,"_62":257},"ee2d09d0-4eb2-4d28-be91-2cc22bca9cd4","I e II estão corretas.",{"_22":259,"_60":66,"_62":260},"ac24bff4-1243-4a3a-a5a6-68eb249031c4","II e III estão corretas.",{"_22":262,"_60":70,"_62":263},"9da14af8-9b0f-48d8-9e3d-cd075b4916fe","I e IV estão corretas.",{"_22":252,"_60":73,"_62":265},"I, III e IV estão corretas.",{"_22":267,"_60":214,"_62":268},"956e44b8-6686-4d94-8fe0-abfb8ee38ecd","I, II e V estão corretas.","Isótopos têm mesmo nº de prótons: A e B (6 prótons) – I verdadeiro. Eletricamente neutro exige prótons = elétrons: C (17≠18) e D (19≠18) não são neutros – II falso. Isoeletrônicos têm mesmo nº de elétrons: C e D (18 e−) – III verdadeiro. A, B e E têm prótons = elétrons (6=6, 6=6, 20=20) – IV verdadeiro. Isóbaros têm mesmo nº de massa: D (39) e E (40) diferem – V falso. Correto: I, III e IV.","A tabela indica a composição de algumas espécies químicas:
Espécies Número de prótons Número de elétrons Número de nêutrons
A 6 6 6
B 6 6 8
C 17 18 18
D 19 18 20
E 20 20 20
É correto afirmar que:
I. A e B são isótopos.
II. C e D são eletricamente neutros.
III. C e D são isoeletrônicos.
IV. A, B e E são eletricamente neutros.
V. D e E são isóbaros.
Assinale a alternativa correta:",[272],{"_22":220,"_35":221,"_37":222,"_124":125,"_126":223,"_97":141,"_99":141,"_24":273,"_101":227},{"_129":225,"_131":132,"_133":226},[275,277,279,281,288,295,301,308,316,324,329,336,341,348,350,352,357],{"_22":220,"_35":221,"_37":222,"_124":125,"_126":223,"_97":141,"_99":141,"_24":276,"_101":227},{"_129":225,"_131":132,"_133":226},{"_22":138,"_35":139,"_37":140,"_124":125,"_126":121,"_97":141,"_99":141,"_24":278,"_101":145},{"_129":143,"_131":132,"_133":144},{"_22":157,"_35":36,"_37":38,"_124":125,"_126":148,"_97":158,"_99":158,"_24":280,"_101":161},{"_129":132,"_131":132,"_133":160},{"_22":282,"_35":283,"_37":284,"_124":125,"_126":223,"_97":141,"_99":141,"_24":285,"_101":287},"4e2db44f-f134-4b96-8072-be7145858de5","Engenharia 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Comentários