user-avatar
HuongGiang
2 năm trước
Tính hiệu suất phản ứng trong các trường hợp sau (các khí đo ở điều kiện tiêu chuẩn): a) 1 mol N2 tác dụng với 5 mol H2 thu được hỗn hợp khí X có tỉ khối so với H2 là 3,8. HELP ME PLSSS
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

VIII. Choose the sentence that has the same meaning as the first. 1. As a tradition, we visit our grandparents on Lunar New Year. A. Our grandparents traditionally visit us on Lunar New Year. B. We traditionally visited our grandparents on Lunar New Year, C. Our grandparents are traditionally visited on Lunar New Year. 2. When I‟m home, I have to say hello to everyone in my family. A. Saying hello to everyone in my family when I‟m home is I must. B. I must go home to say hello to everyone in my family. C. Everyone in my family says hello to me when I‟m home. 3. When you are invited to a dinner, you shouldn‟t be late. A. You are late for a dinner, let me invite you once. B. If someone invites you to a dinner, please be late. C. Don‟t be late if someone invites you to a dinner. 4. The elderly will give lucky money to the children at Tet. A. The elderly will be given lucky money to the children at Tet. B. Lucky money will be given to the children by the elderly at Tet. C. Lucky money will be given by the children at Tet. 5. In Britain, citizens mainly use cutlery to eat meals. A. British eat meals mainly by using cutlery. B. British eat main meals with cutlery. C. British used to eat meals with cutlery in the past. IX. Find the mistakes of the sentences. 1. The girl is not enough tall to touch the top of the shelf. A B C D 2. I am going to playing chess with my friend tonight. A B C D 3. You have to making sure children don‟t put anything into the sockets. A B C D 4. Nam drew the picture hisself because his sister didn‟t help him. A B C D 5. He worked with people who could neither speak and hear. A B C D làm rồi giải thích hộ mình

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