Chemistry, 05.08.2021 09:50 makayyafreeman
Hỗn hợp X gồm Al, Fe 3 O 4 và CuO, trong đó oxi chiếm 25% khối lượng hỗn hợp. Cho
1,344 lít khí CO (đktc) đi qua m gam X nung nóng, sau một thời gian thu được chất rắn Y và
hỗn hợp khí Z có tỉ khối so với H 2 bằng 18. Hòa tan hoàn toàn Y trong dung dịch HNO 3
loãng (dư), thu được dung dịch chứa 3,08m gam muối và 0,896 lít khí NO (ở đktc, là sản
phẩm khử duy nhất). Giá trị m ?
Answers: 3
Chemistry, 21.06.2019 22:10
Which form of relativism states that people rely on their own standards of right and wrong when making a decision?
Answers: 1
Chemistry, 22.06.2019 09:00
Identify the electromagnets with poles that are reversed from the electromagnet shown above
Answers: 3
Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
Answers: 2
Hỗn hợp X gồm Al, Fe 3 O 4 và CuO, trong đó oxi chiếm 25% khối lượng hỗn hợp. Cho
1,344 lít khí CO...
Chemistry, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
History, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
Computers and Technology, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
History, 06.01.2020 18:31
Chemistry, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31
Business, 06.01.2020 18:31
Mathematics, 06.01.2020 18:31