Answer:
what each cells job is divided
Explanation:
Answer:
7.7 normility and pH
Explanation:
Trust me im an 13 LEVEL COLLEGE TOUR
Answer:
there are 20 oxygen atoms in 4.00 moles of Dinitrogen pentoxide
Explanation:
there are 2 atoms in an oxygen molecule , so each oxygen molecules has at least 2. Dinitrogen pentoxide is N2O5, which has 7 atoms, 2 nitrogen and 5 oxygen. 1 molecule of N2O5 has 5 oxygen atoms, so 4 of then would be 20
I think the answer is d not real fir sure I'll find out in the morning sorry