Ðàçëîæåíèå îêñèäîâ àçîòà ãåòåðîãåííûìè âîññòàíîâèòåëÿìè
Ðåôåðàòû ïî õèìèè / Ñïîñîáû âîññòàíîâëåíèÿ îêñèäîâ àçîòà / Ðàçëîæåíèå îêñèäîâ àçîòà ãåòåðîãåííûìè âîññòàíîâèòåëÿìèÑòðàíèöà 2
4NH3 + 6NO = 5N2+ 6Í2Î
8NH3 + 6NO2 = 7N2 + 12H2O
2NH3 + 8NO = 5N2 Î+ 3H2O
Èíôîðìàöèÿ î õèìèè
Sr — Ñòðîíöèé
ÑÒÐÎÍÖÈÉ (ëàò. Strontium), Sr, õèìè÷åñêèé ýëåìåíò II ãðóïïû ïåðèîäè÷åñêîé ñèñòåìû, àòîìíûé íîìåð 38, àòîìíàÿ ìàññà 87,62, îòíîñèòñÿ ê ùåëî÷íîçåìåëüíûì ìåòàëëàì. Ñâîéñòâà: ñåðåáðèñòî-áåëûé ìåòàëë; ïëîòíîñòü 2,63 ã/ñì3, tïë 768 &de ...
Ds — Äàðìøòàäòèé
ÄÀÐÌØÒÀÄÒÈÉ (Äàðìøòàòòèé) — (ëàò. Darmstadtium, áûâøèé óíóííèëèé (ununnilium)), Ds, õèìè÷åñêèé ýëåìåíò VIII ãðóïïû ïåðèîäè÷åñêîé ñèñòåìû, àòîìíûé íîìåð 110, àòîìíàÿ ìàññà [271], íàèáîëåå óñòîé÷èâûé èçîòîï 271Ds. Ñâîéñòâà: ð ...
Ãåëüìãîëüö (Helmholtz), Ãåðìàí Ëþäâèã Ôåðäèíàíä
Íåìåöêèé ôèçèê, ìàòåìàòèê, ôèçèîëîã è ïñèõîëîã Ãåðìàí Ëþäâèã Ôåðäèíàíä Ãåëüìãîëüö ðîäèëñÿ â Ïîòñäàìå â ñåìüå ó÷èòåëÿ ãèìíàçèè.  1838 ã. îí îêîí÷èë ãèìíàçèþ. Íåñìîòðÿ íà èíòåðåñ ê ôèçèêå, Ãåëüìãîëüö íå ñìîã èç-çà íåäîñòàòêà ñðåäñò ...
