Answer:
There are 1.505×1023 molecules in 0.25 moles of oxygen.
Make it about volcanos sis
by fractional distillation of liquefied air or the use of zeolites to remove carbon dioxide and nitrogen from air or the electrolysis of water
Answer:
C
Explanation:
Helium I did it before correct me if I'm wrong.
Answer:
Cu + 4HNO3 ---> Cu(NO3)2 + 2NO2 + 2H2O.
Explanation:
Balancing:
Cu + 4HNO3 ---> Cu(NO3)2 + 2 NO2 + 2H2O.
