Read More
Date: 13-11-2018
999
Date: 24-12-2018
1003
Date: 2-1-2018
1233
|
There are two allotropes of oxygen; dioxygen (O2) and trioxygen (O3) which is called ozone. The reaction of converting dioxygen into ozone is very endothermic causing it to occur rarely and only in the low atmosphere. The reaction is shown below:
Ozone is unstable and quickly decomposes back to oxygen but is a great oxidizing agent.
|
|
لصحة القلب والأمعاء.. 8 أطعمة لا غنى عنها
|
|
|
|
|
حل سحري لخلايا البيروفسكايت الشمسية.. يرفع كفاءتها إلى 26%
|
|
|
|
|
جامعة الكفيل تحتفي بذكرى ولادة الإمام محمد الجواد (عليه السلام)
|
|
|