so sánh chế độ chuyên chế cổ đại phương đông với nền dân chủ chủ nô phương tây

Giúp mình giải chi tiét câu b và c thank you

Nhờ mọi người giải giúp e với ạ

Giải dùm mk đi, hứa vote đầy đủ. Mai mk kt rồi

Giải Giúp Câu Lý Thanksssssssssssssssssss

Phân tích hình anh chiec xe khong kính giup minh

LIlerpetic, and able to organize activities for A. active V. Choose the best answer. 1. Do many people in your country A. voluntary 2. Volunteers become more A. concemed and unaware C. concerned and aware B. dynamic C. passiye D. reluctant take care of others? B. volunteer C. voluntarily of the problems facing the world. D. volunteerism 3. If you are may have the opportunity to learn the B. concerning and unaware D. concerned but aware in traditional hand-made products and are on the volunteer project for several weeks, you and embroidery skills from the artisans. A. interested - weaving B. interesting - weaving C. interested A lot of students who follow it can improve their pronunciation quickly. woven D. interesting - woven 4. This method seems to be B. useful are children whose parents passed away. B. college students A. use C. useless D. misused 5. A. volunteers C. handicapped children to come to the remote areas to help children write and read. D. orphans 6. We A. volunteer C. voluntarily B. voluntary 7. Tony: "It sounds interesting. How did you get the job?"- James: " D. volunteered A. Yes it was really amazing C. I got it last year C. I received that interesting job in 2014: C. Just by chance. 8. Joining a hand in helping your community helps you gain experience many fields such as education, social work and health care. B. out C. during to others, you are also a happy person. C. happily D. into A. in 9. If you bring A. happy B. happiness D. happiest believe that bring happiness to others makes them the happiest people D. techniques 10. C. campaigners night prepating stuff for the following day. C. sleepless A. volunteers B. activities 11. This group of university students had to spend a D. sleeps B. slept A. sleep 12. He was peaceful man and A. for all forms of violence. B. with C. again D. against 13. After taking part in public activities in their cominunity, they realized that they had been ignorant or before.

Để đốt cháy hoàn toàn 12g FeS2 người ta cần $V_{1}$ lít không khí và thu được m (g) $Fe_{2}$$O_{3}$ và $V_{2}$ lít $SO_{2}$ a) Hãy tính PTHH và tính giá trị của $V_{1}$ b) Tính m và $V_{2}$

Ai giải giúp em câu d, e với ạ em cảm mơn trước

lập PTHH theo 3 bước ( ghĩ rõ cả 3 bước ra ): Fe+ $O_{2}$ -> $Fe_{2}$ $O_{3}$