6.7 mass because 1 atom equals 6.3 but if u add 4 it would be 6.7
Endothermic<span> Reaction??? </span>
This answer should have four signifigant features
Explanation:
I had this on a test and got it right :D
8.38e -21Q^2 -1.07e -23Q^2 +3.15e +19
= 10.46e -44Q^2 + 19
44Q^2 = 10.46e + 19
Q^2 = 523/2200e + 19/44
Q1= ≈ -1.03828
Q2= ≈ 1.03828
