suốt từ chiều hôm qua , nước bắt đầu dâng nhanh hơn .....

                   -Anh Mên , Anh Mên . đợi em với , không em ứ chơi với anh nữa .

                                              ( nguyễn quang thiều, bầy chim chìa vôi )

 câu 1: hãy tóm tắt những sự việc được kể tromg đoạn trích ?

\((\dfrac{3}{4^{ }})^k=(\dfrac{4}{3})^2\)

kết bạn vs tui ik nha , châu gieng đây

cho các loài động vật sau : rắn,thủy tức,trai sông , thỏ , chim cánh cụt , lươn , thằn lằn , giun đũa , chuồn chuồn, bọ cạp , cá trắm, ngỗng , hổ .

hãy sắp xếp các loài trên vào các nhóm đã học 

D

Giải thích các bước giải:

 PTPU:2Na+Cl2→2NaClPTPU:2Na+Cl2→2NaCl

           Ca+Cl2→CaCl2Ca+Cl2→CaCl2

CácCác muốimuối thuthu được:được: NaCl;CaCl2.NaCl;CaCl2.

nCl2=4,4822,4=0,2mol.nCl2=4,4822,4=0,2mol.

⇒mCl2=0,2.35,5=7,1g.⇒mCl2=0,2.35,5=7,1g.

TheoTheo ĐLBTKLĐLBTKL tata có:có:

mhh+mCl2=mmhh+mCl2=m muốimuối

⇒m⇒m muối=8,6+7,1=15,7g.

III. Fill in each blank with ONE suitable word. (2,0 points)

 The ancient town of Hoi An lies on the Thu Bon River, 30 km south of Da Nang. It was formerly a major trading centre in Southeast Asia (1)…………. the 16^th and 17^th centuries. Hoi An was also an important port for Dutch, Portugese, Italian, Chinese, Japanese and other merchant vessels from the Far East.

Hoi An is(2)……………for its temples, pagodas, small tile-roofed houses (3)…………narrow streets. All the houses were made of wood and their pillars were carved with ornamental designs.

One of the main (4)…… …… of Hoi An is the Japanese Covered Bridge, which was built (5)…………….the 16^th century and is still well-preserved. All visitors to Hoi An are recommended a visit to the Assembly Hall of Cantonese Chinese Congregation. This house was (6)………… in 1855 and still keeps many precious objects that (7)……………….to the Chinese community of Hoi An. Another attractive address to (8)………………is Tan Ky House, which was constructed nearly two centuries (9)……………as a house for the Vietnamese merchant. The house now looks almost exactly (10)……………it did in the early 19^th century.                                                                     

Write your answer here