hòa tan hoàn toàn 13g fecl3 vào 100ml dd agno3 1,5M thu được dung dịch A và kết tủa X. tính nồng độ mol của các ion trong dd A. Giúp mik ạ

I do my homeword in two hours every day It take

Thử thách IQ nhenn . Anh cj giúp em

Mọi người chỉ cho em cái cách thêm to, và thêm s, thêm i-ng trong những trường hợp thế nào với ạ!

Giúp mình câu này vs ạ mik đang cần luôn

Cho góc nhọn xOy, điểm A nằm trong góc đó.Dựng điểm B thuộc tia Ox, điểm C thuộc tia Oy sao cho tam giác ABC có chu vi nhỏ nhất.

Put although or despite 1. ................... the rain ,the baseball game was not cancelled. 2. .................... he had enough money, he refused to buy a new car. 3. .................... being tired, he walked to the station. 4. The children slept well ......................the noise 5. She left him ...................... she still loved him. 6....................... her lack of hard work, she was promoted. 7. .................. they are brothers, they do not look like. 8. ................ Dad works hard all day, he always goes to bed late and gets up early. 9. I got a good job .................. my bad English. 10. Tom went to work ........................... not feeling well. 11. .......................they sometimes have a quarrel ,they are good friends. 12. .................... the heavy traffic, we arrived on time.

chủ đề của văn bản trong lòng mẹ được triển khai như thế nào

Bài 4 . Cho A = 2+ 2 mũ 2 + 2 mũ 3 +……+ 2 mũ 60 . Chứng tỏ rằng : A chia hết cho 3 , A chia hết cho 7 , A chia hết cho 5 Gấp, plsss me vote 5 sao

có ai giúp mik với mik đang cần gấp ai làm xong cho 5 sao và cảm ơn Fill in each numbered blank with a suitable word in the following passage. People around the world dance for different reasons and in different ways. Some dances can express (31. _________) like sadness, anger, or joy. Other dances can tell a story. In some cultures a shaman, or healer, might dance to (32. _________) an illness. Some societies use dance to reach a state of trance so the (33. _________) can perform acts of strength or courage, such as dancing on hot coals. Dance probably has been (34. _________) about as long as people have. Cave paintings thousands of years old show what look (35. _________) dancing figures. Dancers appear in the art of (36. _________) Egypt and Greece. Through dance, societies (37. _________) their gods for good crops or bravery in battle. Hundreds of years ago the Christian church frowned on dancing. But farmers and villagers still danced for fun. Many of these dances developed into folk dances. Ballet grew out of dances at the (38. _________) courts of France and Italy in the 1500s and 1600s. Drama, acrobatics, and music are (39. _________) with dance in many cultures. People added make-up, costumes, and masks to turn dance into theater. These performances tell a story using (40. _________) rather than words.