cho 5,4g nhôm tác dụng với 7,3 axit clohidric chất nào dư và dư bao nhiêu gam?

cho nhôm tác dụng với axit clohidric hãy lập PTHH

1/ ?+H₂O -> KOH + H₂

2/ ? + ? -> SO₂

3/ ? + ? -> Fe₃ O₄

4/ Fe + ? -> FeCl₂ + H₂

5/ BaO + ? -> Ba (OH)₂

6/ CH₄ + O₂ -> CO₂ + H₂O

7/ ? + H₂ -> Pb + ?

8/ ? + H₂O -> H₂SO₄

THE GREAT HANSHIN EARTHQUAKE
The Great Hanshin earthquake, or the Kobe earthquake as it is more commonly known overseas, was an earthquake in Japan that measured 7.3 on the Japan Meteorological Agency magnitude scale(thang đo độ lớn). It occurred on January 17th, 1995 at 5:46 a.m. in the southern part of Hyōgo Prefecture, and lasted for approximately 20 seconds. The epicentre(tâm đọng đất) of the earthquake was on the northern end of Awaji Island near Kobe, a cosmopolitan city of over 1.5 million people. A total of 6,434 people, mainly in the city of Kobe, lost their lives. Additionally, it caused approximately ten trillion yen in damage. It was the worst earthquake in Japan since the Great Kantō earthquake in 1923, which claimed 140,000 lives.
1.The word ‘overseas' in the text is closest in meaning to __________.
A.abroad              B.at sea              C.by sea
2.The word ‘occurred' in the text is closest in meaning to __________.
A.ended           B.happened                 C.started
3. It is stated in the passage that the number of deaths in the city of Kobe __________.
A.was greater than that of the Great Kantō earthquake
B.was not as high as in the Great Kantō earthquake
C.exceeded that of any known earthquake
4.The northern end of Awaji Island was the place where __________.
A.the effects of the earthquake were felt most strongly
B.there was no damage to people and property
C.1.5 million people lost their lives
5.We understand from the passage that the Kobe earthquake __________.
A.is internationally known as the Great Hanshin earthquake
B.didn't cause any damage in the neighbourhood of Kobe
C.is not the deadliest earthquake in the history of Japan

1. A natural disaster can cause_________ of life or property damage. (lose)

2. Human greenhouse gas emissions are causing_________ warming. (globe)

3. Kangaroos and koalas are only_________ to Australia. (nation)

4. Hurricane Katrina was one of the_________ hurricanes ever to hit the United States. (dead)

5. Filters do not remove all_________ from water. (contaminate)

6. Freak tornado leaves trail of in its wake. (destroy)

7. _________ appeal to the government to enact laws to stop factories from discharging toxic Chemicals into the sea. (environment)

8. Toxic pollution is contaminated water, soil, and air that is_________. (poison)

9. Pollution kills more people than both war and_________. (violent)

10. English is the most widely_________ language worldwide, with 1.5 billion speakers. (speak)