Calculati masa(in kg) de oxigen O 2 , care se afla intr-un recipient cu volumul de 0,2 m 3 aflat la 27 0 C si 30 atm.
va rog ajutatima repede, am test

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?