Questões - ESPCEX | Gabarito e resoluções

(EsPCEx - 2011) As grandes navegaes produziram o expansionismo do sculo XV e contriburam para acelerar a transio do feudalismo/capitalismo. Provocaram mudanas no comrcio europeu, tais como:

(EsPCEx - 2011) Sobre as reservas e a utilizao dos recursos hdricos no Brasil e no Mundo, podemos afirmar que: I. A gua doce dos rios e dos lagos de todo o planeta responsvel pela maior parte da gua doce da Terra. II. No mundo inteiro, mais de 1,5 bilho de pessoas dependem principalmente da gua de reservas subterrneas para suprir suas necessidades bsicas. III. Apesar de grande parte do Estado de So Paulo situar-se sobre o Aqufero Guarani, o sistema de abastecimento do Estado no utiliza fontes subterrneas. IV. As calotas polares e as geleiras so as mais importantes, em termos quantitativos, reservas de gua doce de nosso planeta. Assinale a alternativa que apresenta todas as afirmativas corretas:

(EsPCEx - 2011) Assinale a orao cujo sujeito inexistente.

(EsPCEx - 2011) Leia as afirmaes abaixo, referentes a fatos ocorridos e ideias desenvolvidas na Europa, e responda ao que se pede. I. Representou, na verdade, o momento culminante de um processo que comeou no Renascimento, de afirmao da razo como base do conhecimento (ARRUDA PILETTI, 2007) II. De acordo com Rosseau o povo (...) o verdadeiro soberano (...) Sua forma de expresso (...) deveria se manifestar por meio da maioria de votos da populao em assembleias nas quais ele exerceria diretamente (...) o poder de decidir sobre os rumos a dar sociedade. (AZEVEDO SERIACOPI, 2007) III. Provocaram transformaes, dentre outras: proletarizao definitiva dos produtores diretos; decadncia da indstria domstica rural; crescente diviso internacional do trabalho; acelerao do xodo rural, antagonismo entre o proletariado nascente e a burguesia proprietria dos meios de produo. IV. Irromperam movimentos sociais e polticos como o ludismo e o movimento cartista. V. So algumas de suas ideias: crticas ao Estado absolutista, propondo a limitao do poder real; defesa da no interveno do Estado no campo econmico; e defesa de um sistema constitucional. Os nmeros

(EsPCEx - 2011) Um laboratorista pesou separadamente uma amostra I, de hidrxido de sdio (NaOH), e uma amostra II, de xido de clcio (CaO), e, como no dispunha de etiquetas, anotou somente a soma das massas das amostras (I +II)igual a 11,2g. Cada uma das amostras I e II foi tratada separadamente com cido sulfrico produzindo, respectivamente, sulfato de sdio mais gua e sulfato de clcio mais gua Considere o rendimento das reaes em questo igual a 100%. Sendo a soma das massas dos sais produzidos igual a 25,37 g,ento a massa da amostra I de hidrxido de sdio (NaOH) e a massa de amostra II de xido de clcio (CaO) so, respectivamente: Dados:

(EsPCEx - 2011) Life and the Movies Joey Potter looked at her friend Dawson Leery and she smiled sadly. Life isnt like a movie, Dawson, she said. We cant write happy endings to all our relationships. Joey was a pretty girl with long brown hair. Both Joey and Dawson were nearly sixteen years old. The two teenagers had problems. All teenagers have the same problems - life, love, school work, and parents. It isnt easy to become an adult. Dawson loved movies. He had always loved movies. He took film classes in school. He made short movies himself. Dawson wanted to be a film director. His favorite director was Steven Spielberg. Dawson spent a lot of his free time filming with his video camera. He loved watching videos of great movies from the past. Most evenings, he watched movies with Joey. These days, Dawson always wants us to behave like people in movies, Joey thought. And life in the little seaside town of Capeside wasnt like the movies. Joey looked at the handsome, blond boy who was sitting next to her. She thought about the years of their long friendship. They were best friends... ANDERS, C. J. Retold by CORNISH, F. H. Dawsons Creek. Shifting into overdrive. Oxford, Macmillan, 2005. According to the sentence Joey looked at the handsome, blond boy who was sitting next to her, it is correct to say that Dawson was

(EsPCEx - 2011) Considere a funo real f(x), cujo grfico est representado na figura, e a funo real g(x), definida por g(x) = f(x - 1) + 1. O valor de

(EsPCEx - 2011) Um corpo de massa 4 kg est em queda livre no campo gravitacional da Terra e no h nenhuma fora dissipativa atuando. Em determinado ponto, ele possui uma energia potencial, em relao ao solo, de 9 J, e sua energia cintica vale 9 J. A velocidade do corpo, ao atingir o solo, de:

(EsPCEx - 2011) A seguir so apresentadas as configuraes eletrnicas, segundo odiagrama de Linus Pauling, nos seus estados fundamentais, dos tomos representados,respectivamente, pelos algarismos I, II, III e IV. I. 1s2 2s2 2p6 II. 1s2 2s2 2p6 3s1 III. 1s2 2s2 2p6 3s2 IV. 1s2 2s2 2p6 3s2 3p5 Com base nessas informaes, a alternativa correta :

(EsPCEx - 2011) Sobre as fontes de energia e poluio ambiental, podemos afirmar que: I. As usinas hidreltricas utilizam um recurso natural renovvel, portanto no provocam impactos ambientais que causam, por exemplo, prejuzos flora e fauna. II. Uma importante vantagem da produo de energia nuclear a de que suas usinas, mantendo seu funcionamento normal, no lanam partculas poluentes na atmosfera. III. A queima de combustveis fsseis, como o carvo mineral, provoca a chuva cida, polui o ar e destri vegetao, dentre outros impactos. IV. A energia elica uma fonte de energia ilimitada nos lugares que apresentam as condies adequadas, mas emite poluentes no ar durante a operao. Assinale a alternativa que apresenta todas as afirmativas corretas:

(EsPCEx - 2011) Foram-se os deuses, foram-se, em verdade; Mas das deusas alguma existe, alguma Que tem teu ar, a tua majestade, Teu porte e aspecto, que s tu mesma, em suma. O fragmento acima, quanto versificao, est classificado corretamente em qual das alternativas?

(EsPCEx - 2011) Life and the Movies Joey Potter looked at her friend Dawson Leery and she smiled sadly. Life isnt like a movie, Dawson, she said. We cant write happy endings to all our relationships. Joey was a pretty girl with long brown hair. Both Joey and Dawson were nearly sixteen years old. The two teenagers had problems. All teenagers have the same problems - life, love, school work, and parents. It isnt easy to become an adult. Dawson loved movies. He had always loved movies. He took film classes in school. He made short movies himself. Dawson wanted to be a film director. His favorite director was Steven Spielberg. Dawson spent a lot of his free time filming with his video camera. He loved watching videos of great movies from the past. Most evenings, he watched movies with Joey. These days, Dawson always wants us to behave like people in movies, Joey thought. And life in the little seaside town of Capeside wasnt like the movies. Joey looked at the handsome, blond boy who was sitting next to her. She thought about the years of their long friendship. They were best friends... ANDERS, C. J. Retold by CORNISH, F. H. Dawsons Creek. Shifting into overdrive. Oxford, Macmillan, 2005. According to the text, which alternative is correct about Dawson?

(EsPCEx - 2011) Um elevador possui massa de 1500 kg. Considerando a aceleraoda gravidade igual a 10 m/s2 , a trao no cabo do elevador, quando ele sobe vazio, com umaacelerao de 3 m/s2 , de:

(EsPCEx - 2011) A inequao , em que x um nmero real,

(EsPCEx - 2011) Life and the Movies Joey Potter looked at her friend Dawson Leery and she smiled sadly. Life isnt like a movie, Dawson, she said. We cant write happy endings to all our relationships. Joey was a pretty girl with long brown hair. Both Joey and Dawson were nearly sixteen years old. The two teenagers had problems. All teenagers have the same problems - life, love, school work, and parents. It isnt easy to become an adult. Dawson loved movies. He had always loved movies. He took film classes in school. He made short movies himself. Dawson wanted to be a film director. His favorite director was Steven Spielberg. Dawson spent a lot of his free time filming with his video camera. He loved watching videos of great movies from the past. Most evenings, he watched movies with Joey. These days, Dawson always wants us to behave like people in movies, Joey thought. And life in the little seaside town of Capeside wasnt like the movies. Joey looked at the handsome, blond boy who was sitting next to her. She thought about the years of their long friendship. They were best friends... ANDERS, C. J. Retold by CORNISH, F. H. Dawsons Creek. Shifting into overdrive. Oxford, Macmillan, 2005. According to the text, The two teenagers had problems because