un volum de 168 m3(c. n.) de gaz metan de puritate 80% se supune arderii cu o cantitate stoechiometrica de aer. calculeaza volumul de azot (80% n2 in aer) ce se separa in urma procesului de ardere. ce cantitate de apa de var de cp=40% este necesara pentru a absorbi total co2 rezultat la ardere? se dau : ac=12 ; ah=1 ; aca=40 ; ao=16 ; an=14

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?