Table of Content
2Na | + | Se | → | Na2Se | |
sodium | Selenium; C.I.77805; Se | Sodium selenide; Selenodisodium; Disodio selenide | |||
2 | 1 | 1 | Hệ số | ||
Nguyên - Phân tử khối (g/mol) | |||||
Số mol | |||||
Khối lượng (g) |
Temperature: > 130
Explanation: The ideal environmental conditions for a reaction, such as temperature, pressure, catalysts, and solvent. Catalysts are substances that speed up the pace (velocity) of a chemical reaction without being consumed or becoming part of the end product. Catalysts have no effect on equilibrium situations.
In a full sentence, you can also say Na (sodium) reacts with Se (Selenium; C.I.77805; Se) and produce Na2Se (Sodium selenide; Selenodisodium; Disodio selenide)
This equation does not have any specific information about phenomenon.
In this case, you just need to observe to see if product substance Na2Se (Sodium selenide; Selenodisodium; Disodio selenide), appearing at the end of the reaction.
Or if any of the following reactant substances Se (Selenium; C.I.77805; Se), disappearing
We no further information about this chemical reactions.
sodium
Cl2 + 2Na → 2NaCl 2H2O + 2Na → H2 + 2NaOH Na + C2H5COOH → H2 + C2H5COONa View all equations with Na as reactantSelenium; C.I.77805; Se
O2 + Se → SeO2 2Na + Se → Na2Se H2 + Se → H2Se View all equations with Se as reactantSelenium; C.I.77805; Se
H2Se → H2 + Se S + H2Se → H2S + Se SeCl4 → 2Cl2 + Se View all equations with Se as productInteresting Information Only Few People Knows
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