user-avatar
Nguyenanh
2 năm trước
Câu 8: Nhiệt phân hoàn toàn 102,7 gam kalipemanganat KMnO4 . a/ Tính khối lượng manganđioxit MnO2 sinh ra ? b/ Tính thể tích khí oxi thu được ở đktc ? c/ Dẫn lượng khí oxi ở trên qua bình chứa bột lưu huỳnh, đun nóng. + Hãy tính khối lượng bột S đã phản ứng ? + Tính thể tích khí SO2 thu được ở đktc ? Giải ra giúp mình với
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Giúp mìk vs Giải thích giùm mik lun tại sao lm như zị mik c.ơn nhiều A.REVIEW VOCABULARY 1. ……is the natural environment in which plants or animals live. ( habitant / habitat / extinction / biodiversity ) 2. The world people are now aware …………..the importance of environmental protection.( to / about / of / for ) 3. In recent years, many areas in the suburb of Ha Noi have been …….( urban / urbanized / urbanization / urbanizing) 4. The government should………new laws to conserve wildlife in the area.( enact/ publish / announce / maintain ) 5. Pandas , polar bears and many other wild animals are …………..stake of extinction.( in / on / into / at) 6. The life……………of a rhinoceros in the wild is about 40 years.( time / span / duration / age) 7. We call a person who study biology is a …………..( biological / biologist / biodiversity / biology ) 8. Most children like ……………gum.( chew / chewing / chewed / chews) 9. It is difficult for children to ……………food with high fat content.( eat / digest / dissolve / chew) 10.Which books often ………....you ? ( fascinated / fascinate / fascinating / fascinates ) 11. If you like books with an exciting story especially ones about love affairs , read a ………( thriller / novel / romance / science) 12. …….means the act of preventing something from being lost, waste , damaged or destroyed.( extinction / habitat/ biodiversity / conservation) 13. Humans depend on species ………….to have food , clean air and water , and fertile soil for agriculture. ( diversity / habitat / contamination / extinction) 14. Almost half of turtles and tortoises are known to be threatened with…………….( extinct / extinction / extinctive/ extinctly ) 15. ……………..is the protection of environment and natural resources.( Survival / Commerce / Conservation ) 16. People have hunted animals ………………food, hides and ivory. ( on / for / in / with) 17……….the book down and go to bed , boy ! ( take / put / set / pick) 18 .A …………..is the story of a person’s life written by somebody else.( romance / thriller / fiction / biography )

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team