user-avatar
nguyenkiemtai
2 năm trước
Phương ứng nào sau đây là phản ứng oxi hóa – khử? Xác định chất oxi hóa và chất khử trong các phản ứng sau. Cân bằng các phương trình bằng pp cân bằng electron 1. NH3 + O2  N2 + H2O 2. H2S + O2  SO2 + H2O
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1)there is a faucet in your kitchen (drip) 2)we can protect the environment by air pollution (reduce) 3)i am very because they use electricity to catch fish (worry) 4)i want to see the of environment from the local authority (protect) 5)scientists are looking for an effective way to reduce energy (consume) 6)it was raining so we decided to postpone our camping since 7)she wants them to sing a song she suggests they 8)she couldn't join us because she was busy she was busy so 9)shall we go to the cinema tonight? what about 10)why don't we use energy-saving bulbs? i suggests 11)although she was not beautiful she took part in a beauty contest she wasn't beautiful but 12)work hard and you will pass the exam if you 13)if you don't start working hard now you won't be able to pass the final exam unless 14)we are delighted you passed your english exam we are delighted 15)she was tired and therefore she wanted to go home she wanted to go home because

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