Mene ne adadin abu kuma kamar yadda aka auna

Mun yi magana game da abin da yake cikin adadin abu a matsayin kalma an yi amfani da Science batutuwa. Tun da yawa dangantaka a cikin sunadarai, kimiyyar lissafi ne da aka ba tsanani shawara, yana da muhimmanci a san zahirin ma'anar yawa, su raka'a, da filin na aikace-aikace.

Nadi, definition, raka'a

A sunadarai na musamman muhimmancin ne gwada yawa a tsakaninsu. Don yin lissafin yin amfani da takamaiman dabi'u bisa ga lissafai. Domin gane abin da yake cikin Yawan adadin kwayoyin a cikin sunadarai, mun ba da definition na lokaci. Wannan shi ne wani jiki yawa wanda characterizes yawan irin raka'a (kwayoyin halitta, ions, kwayoyin, kuma electrons) ba a cikin littattafai. Don gane abin da yake cikin adadin al'amari, mun lura cewa wannan darajar na da nadi. A cikin lissafin, yana ambaton yin amfani da wannan darajar, amfani da harafin n. Raka'a - mol kmol mmol.

The darajar

Takwas graders suka yi ba tukuna san yadda za a rubuta sinadaran lissafai sani ba abin da adadin da abu, da yadda za a amfani da wannan darajar a lissafi. Bayan familiarization da dokar m nauyi abubuwa, ya bayyana darajar wannan yawa. Alal misali, a dauki na hydrogen konewa a oxygen reactants ne rabo biyu da daya. Idan hydrogen da aka sani taro, wanda ya shiga cikin tsari, yana yiwuwa a ƙayyade yawan oxygen dauki kashi a cikin sunadarai dauki.

Aikace-aikace na dabarbari a fili rage rabo tsakanin fara reagents, ya rage wuya lissafin. Mene ne Yawan adadin kwayoyin a cikin sunadarai? A cikin sharuddan ilmin lissafi lissafin, wannan stereochemical dalilai sa cikin lissafi. Wancan ne, su ana amfani da su gudanar da wani lissafin. Wannan yadda za a ƙidaya yawan kwayoyin ne m, shi ne dadin mol. Amfani Avogadro ta lambar, shi za a iya lasafta cewa 1 mole na wani reagent qunshi 6 × 1023 mol ^-1.

sarrafa kwamfuta

Shin kana so ka fahimci abin da yake da adadin abu? A kimiyyar lissafi, kamar yadda wannan darajar da ake amfani. Yana da ake bukata a cikin kwayoyin kimiyyar lissafi, inda lissafin suna da za'ayi matsa lamba gaseous girma daga lissafi Mendeleev-Clapeyron. Domin gudanar da wani gwada yawa lissafin, shi ya shafi manufar matauni taro.

Kasa shi ake nufi da nauyi na wanda yayi dace da daya mole na musamman sinadaran. Don sanin matauni taro iya zama via zumunta atomic taro (da adadin haske na yawan kwayoyin halitta a cikin kwayoyin) ko domin sanin nauyi ta hanyar sananne abu, da adadin (mol).

Babu aiki na wata makaranta shakka daga sunadarai alaka da lissafin da lissafi, ba zai iya yi ba tare da yin amfani da irin wannan sharuddan kamar "adadin abu". Mallakan algorithm iya jimre ba kawai tare da na yau da kullum shirin lissafin, amma kuma tare da nagartaccen Contest aiki. Bayan ƙidãyar da nauyi abubuwa ƙila za a amfani da wannan ra'ayi, yi lissafin da matauni girma. Wannan gaskiya ne, a lokuta inda, ha] in gwiwar shiga gaseous abubuwa.