Cho c3h8 tác dụng với cl2; trong điều kiện có ảnh sáng thu được sản phẩm có chứa 62,832% khối lượng cho trong phân tử. Hãy viết các đồng phân của sản phẩm thu được sau phản ứng

Giải giúp mình với ạ.mik đang cần gấp

Hai hình tròn có tổng bán kính là 12cm, hình tròn lớn có diện tích gấp 9 lần diện tích hình tròn nhỏ. Chu vi của hình tròn nhỏ là bao nhiêu ? Nhanh nha, mình cần gấp ạ !

giúp mk vs mk vote 5* cho :)) chỉ cần câu e đến k thôi

1) a +b=95 và ƯCLN( a;b) =19 2) a.b= 2400 và BCNN( a;b)=120

Câu đố vui: Làm thế nào cậu bé đá quả bóng 3 mét và sau đó quả bóng trở lại với cậu bé?

1. Today, English is considered a_____________language.(globe) 2.People need to increase their daily____________ of fruit and vegetables.(consume) 3.a long silk tunic/Ao dai consists of/ on the sides and worn/ over loose pants. /that is slit 4.My teacher said, “Why don’t we keep the schoolyard clean?  My teacher suggested that the school yard............ Mọi người giúp mình với 🥺

Não người có những đặc điểm nào tiến hóa hơn não thú?

I-Đọc đoạn văn, sau đó chọn những câu sau đây là đúng hay sai: In Britain there is a holiday now which people call Mother's Day. In the old days many girls from working-class family in towns and cities and from farmers' families in the country worked in rich houses. Once a year, it was usually on Sunday in March, they could visit their mothers. They went home and brought presents for their mothers and for members of their families. People call that day Mothering Day or Mothering Sunday. Later workers at the factories and girls who worked in the houses of rich families received one free day a week and Mothering Day became Mother's Day. It is the last Sunday in March. In 1914, President Woodrow Wilson and congress agreed that the second Sunday in May should be observed as Mother's Day in America. On that day,' children give their mothers flowers, presents and cards to show their love to their mothers. Today, millions of Americans celebrate Mother's Day in some way. More than 150 million Mother's Day greeting cards are bought every year. It is also one of the busiest days of the year for the flower industry. Americans millions of dollars to buy Mother's Day gifts. Clothes, perfume, jewelry and books or tickets to the theater are given to mothers. People who can not be with their mothers on that day usually send them presents and call them on the phone. 1) Mother's day is a day to honor mothers and motherhood. 2) Mother's day began as a day when servants could return home for the day to visit their mothers 3) The Unite States celebrates Mother's Day on the same day as the Uniited Kingdom. 4) Americans spend millions of dollars to buy Mother's day gifts. 5) People who cannot visit their mother on mother's day often call on them the next day.

bài 1 và 2 làm thế nào vậy e vote 5sao