• Uma solução aquosa de cloreto de ferro III contém 0,60 moles por litros de iões cloreto.

    Qual é a molaridade de cloreto de ferro III?

    A 0,2M

    B 0,6M

    C 0,8M

    D 1,2M

    #Exame_extraordinario_2011
    Uma solução aquosa de cloreto de ferro III contém 0,60 moles por litros de iões cloreto. Qual é a molaridade de cloreto de ferro III? A 0,2M B 0,6M C 0,8M D 1,2M #Exame_extraordinario_2011
    0 Answers 0 Поделились
  • Numa solução aquosa de brometo de potássio ( KBr ) encontra-se um aglomerado de…

    A átomos independentes

    B catiões e aniões

    C iões hidratados

    D moléculas

    #Exame_extraordinario_2011
    Numa solução aquosa de brometo de potássio ( KBr ) encontra-se um aglomerado de… A átomos independentes B catiões e aniões C iões hidratados D moléculas #Exame_extraordinario_2011
    0 Answers 0 Поделились
  • O elemento X com dois electrões de valência e o elemento Z com seis electrões de valência formam um composto…

    A covalente de fórmula XZ

    B covalente XZ2

    C iónico de XZ

    D iónico de XZ2

    #Exame_extraordinario_2011
    O elemento X com dois electrões de valência e o elemento Z com seis electrões de valência formam um composto… A covalente de fórmula XZ B covalente XZ2 C iónico de XZ D iónico de XZ2 #Exame_extraordinario_2011
    0 Answers 0 Поделились
  • Dadas as seguintes configurações electrónicas :

    X: 1s2 2s2 2p6 3s2 Y : 1s2 2s2 2p4

    Com base nas configurações pode-se concluir que se trata respectivamente de…

    A metal alcalino e calcogénio

    B metal alcalino e halogénio

    C metal alcalino terroso e halogénio

    D metal alcalino terroso e calcogénio
    Dadas as seguintes configurações electrónicas : X: 1s2 2s2 2p6 3s2 Y : 1s2 2s2 2p4 Com base nas configurações pode-se concluir que se trata respectivamente de… A metal alcalino e calcogénio B metal alcalino e halogénio C metal alcalino terroso e halogénio D metal alcalino terroso e calcogénio
    1 Answers 0 Поделились
  • Porque que as células animais não têm parede celular?
    Porque que as células animais não têm parede celular?
    0 Answers 0 Поделились
  • #PARTE:1#

    *GRAMMAR*

    *Past Perfect* When we want to talk about a past action that took place before another past action we use the *Past Perfect* It is formed like this: *had + the Past Participle of the main verb*.
    *e.g*. When I arrived at the party, José *had* already *gone* home Sonia *had* just *arrived* home when the phone rang.


    #Make sentences in the Past Perfect using the words in brackets#

    1. I did not have any money because (l/lose) my wallet.__________

    2. (The film/already/begin) when we arrived.___________

    3. The boy who came in was a stranger to me. (//never/see) him before.___________

    4. My mother cooked a meal to my sister but she refused to eat it because she (already/eat)________

    5. When I met Bruno he (sell) his car________

    6. It was very nice to meet Anna after such a long time, I (not/see) her for a long time________

    7. She only understood the movie because she (read) the book_________

    8. We were not able to get a hotel room because we (not/book) in advance.__________


    #PARTE: 2#

    *GRAMMAR*
    *Each and Every*
    *Each / Every* are similar in meaning. Take a look at the examples below: Each time it rains I feel cold. *Every* time it rains I feel cold We use *each* when we think of things separately. *e.g*. Look at *each* case carefully (Look at the cases one by one.) We use *every* when we think of things as a group. The meaning is the same as all. *e.g*. She enjoys reading, she has read *every* book on this shelf. (She has read all the books on that shelf.)


    #A. Complete the sentences with each or every.#

    1. There were six boxes in the room_________Box was of a different colour.

    2. All-Africa games are held________ four years.

    3. It is a fact that________mother worries about the well-being of their children.

    4. In the game of tennis there are two players_________player has a racket.

    5. Malinda plays basketball________Friday.

    6. I understood most of what was said at the meeting but not_________Word

    7. The holiday was very interesting. I enjoyed__________ single day.

    B. Write sentences using each or every
    1____
    2____
    3____
    4____
    5____
    6____
    7____
    8____


    #PARTE:3#

    GRAMMAR

    *nt Perfect Continuous*
    ve use the *present perfect continuous* to refer to something which has already happened and is still happening is formed like this: *have been* or *has been* + the main verb ending in -*ing*. *e.g*. She *has been living* alone since she was ten years old. It *has been raining* heavily lately.
    We *have been learning* English for three years.


    #the situations and write a sentence for each in the Present Perfect Continuous#

    1. It is snowing. The snow started three days ago_______

    2. Bento is waiting for a bus. Almost for an hour now________

    3. I am learning how to drive a truck. I started my driving lessons last week__________

    4. Jim is studying in London. He started studying there in December last year_______

    5. My teacher is playing tennis. She started three hours ago_________

    6. Tom is washing his clothes. He started at 7:00 and it is now 15:00__________

    7. He is painting the house. He started five hours ago_________

    8. I work as a fireman. I started working as a fireman in 1975______
    #PARTE:1# *GRAMMAR* *Past Perfect* When we want to talk about a past action that took place before another past action we use the *Past Perfect* It is formed like this: *had + the Past Participle of the main verb*. *e.g*. When I arrived at the party, José *had* already *gone* home Sonia *had* just *arrived* home when the phone rang. #Make sentences in the Past Perfect using the words in brackets# 1. I did not have any money because (l/lose) my wallet.__________ 2. (The film/already/begin) when we arrived.___________ 3. The boy who came in was a stranger to me. (//never/see) him before.___________ 4. My mother cooked a meal to my sister but she refused to eat it because she (already/eat)________ 5. When I met Bruno he (sell) his car________ 6. It was very nice to meet Anna after such a long time, I (not/see) her for a long time________ 7. She only understood the movie because she (read) the book_________ 8. We were not able to get a hotel room because we (not/book) in advance.__________ #PARTE: 2# *GRAMMAR* *Each and Every* *Each / Every* are similar in meaning. Take a look at the examples below: Each time it rains I feel cold. *Every* time it rains I feel cold We use *each* when we think of things separately. *e.g*. Look at *each* case carefully (Look at the cases one by one.) We use *every* when we think of things as a group. The meaning is the same as all. *e.g*. She enjoys reading, she has read *every* book on this shelf. (She has read all the books on that shelf.) #A. Complete the sentences with each or every.# 1. There were six boxes in the room_________Box was of a different colour. 2. All-Africa games are held________ four years. 3. It is a fact that________mother worries about the well-being of their children. 4. In the game of tennis there are two players_________player has a racket. 5. Malinda plays basketball________Friday. 6. I understood most of what was said at the meeting but not_________Word 7. The holiday was very interesting. I enjoyed__________ single day. B. Write sentences using each or every 1____ 2____ 3____ 4____ 5____ 6____ 7____ 8____ #PARTE:3# GRAMMAR *nt Perfect Continuous* ve use the *present perfect continuous* to refer to something which has already happened and is still happening is formed like this: *have been* or *has been* + the main verb ending in -*ing*. *e.g*. She *has been living* alone since she was ten years old. It *has been raining* heavily lately. We *have been learning* English for three years. #the situations and write a sentence for each in the Present Perfect Continuous# 1. It is snowing. The snow started three days ago_______ 2. Bento is waiting for a bus. Almost for an hour now________ 3. I am learning how to drive a truck. I started my driving lessons last week__________ 4. Jim is studying in London. He started studying there in December last year_______ 5. My teacher is playing tennis. She started three hours ago_________ 6. Tom is washing his clothes. He started at 7:00 and it is now 15:00__________ 7. He is painting the house. He started five hours ago_________ 8. I work as a fireman. I started working as a fireman in 1975______
    1
    20 Answers 0 Поделились
  • Dois corpos deslocam-se ortogonalmente com velocidades v1=1,5m/s e v2=2m/s No instante t=0s eles se encontram na origem de um sistema de referência oxy. Considerando que o corpo 1 se desloca ao longo do eixo x e o corpo 2 se desloca ao longo do eixo y, qual é a distância que os separa no instante t=2s?
    a) 2m b)1m C) 5m d)3,75m
    Dois corpos deslocam-se ortogonalmente com velocidades v1=1,5m/s e v2=2m/s No instante t=0s eles se encontram na origem de um sistema de referência oxy. Considerando que o corpo 1 se desloca ao longo do eixo x e o corpo 2 se desloca ao longo do eixo y, qual é a distância que os separa no instante t=2s? a) 2m b)1m C) 5m d)3,75m
    1
    0 Answers 1 Поделились
  • Write the words in the correct form:

    1.There are ( Apple ) on the plate.

    2.I'd like to taste these (Cookies)?

    3.Would you like these ( orange )?

    4.This (cheese )is too salty .
    5. Hiw much (Water) is there in the bottle?

    6. I usually drink ( Milk) in the morning .

    7. Do you like ( cucumber)?

    8. How much ( money) Have you got?

    9. This ( meat ) isn't fresh.

    10 . There are many ( tomato ) in this salad.

    11. I DON'T EAT ( BUTTER ) AT ALL.

    12 .THIS ( COFFEE ) IS AWFUL .

    13.HOW MANY (BANANA ) would you like?

    14. ALL HER ( DRESS) ARE BEAUTIFUL .

    15 . PUT SOME ( SALT) INTO YOUR SOUP.

    16 .THIS (SUGAR ) ISN'T SWEET .

    17 . THERE IS SOME ( BREAD) ON THE TABLE.
    Write the words in the correct form: 1.There are ( Apple ) on the plate. 2.I'd like to taste these (Cookies)? 3.Would you like these ( orange )? 4.This (cheese )is too salty . 5. Hiw much (Water) is there in the bottle? 6. I usually drink ( Milk) in the morning . 7. Do you like ( cucumber)? 8. How much ( money) Have you got? 9. This ( meat ) isn't fresh. 10 . There are many ( tomato ) in this salad. 11. I DON'T EAT ( BUTTER ) AT ALL. 12 .THIS ( COFFEE ) IS AWFUL . 13.HOW MANY (BANANA ) would you like? 14. ALL HER ( DRESS) ARE BEAUTIFUL . 15 . PUT SOME ( SALT) INTO YOUR SOUP. 16 .THIS (SUGAR ) ISN'T SWEET . 17 . THERE IS SOME ( BREAD) ON THE TABLE.
    0 Answers 0 Поделились
  • duardo Mondlane desempenhou um papel importante para o desenvolvimento do Nacionalismo em Moçambique que culminou com a formação da FRELIMO a...
    A 25 / 06 /1962.
    B 25 / 07 / 1962.
    C 25 / 06 / 1975.
    D 25 / 07 / 1975
    duardo Mondlane desempenhou um papel importante para o desenvolvimento do Nacionalismo em Moçambique que culminou com a formação da FRELIMO a... A 25 / 06 /1962. B 25 / 07 / 1962. C 25 / 06 / 1975. D 25 / 07 / 1975
    4 Answers 0 Поделились
  • Qual foi a possessão alemã da África Austral?
    A Angola
    B Lesotho
    C Malawi
    D Namíbia
    Qual foi a possessão alemã da África Austral? A Angola B Lesotho C Malawi D Namíbia
    1 Answers 0 Поделились