Chemistry, 09.09.2021 15:00 sindy35111
Bài 1: Đốt cháy 28 lít khí mêtan CH4 trong không khí sinh ra khí cacbon đioxit và hơi nước.
a. Tính khối lượng nước tạo thành.
b. Tính thể tích không khí cần dùng, biết oxigen chiếm 1/5 thể tích không khí. Các thể tích được đo ở đktc.
Answers: 1
Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?
Answers: 1
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
Chemistry, 23.06.2019 01:30
Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals
Answers: 1
Chemistry, 23.06.2019 01:30
If a particle has z = 25 and 23 electrons, what is its charge?
Answers: 2
Bài 1: Đốt cháy 28 lít khí mêtan CH4 trong không khí sinh ra khí cacbon đioxit và hơi nước.
a. Tín...
Mathematics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
Physics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
Mathematics, 29.03.2021 18:50
History, 29.03.2021 18:50