Answer:
ffgghhhhhgffffffcvvvvvvvvvvvvvvvvvv
Explanation:
cccvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
Answer:
the sum of the numbers of protons and neutrons present in the nucleus of an atom.
Answer:
pH=2.34
Explanation:
HBr -> H + Br
The dissociation it's complete, for that reason the concentration of the products is the same of HBr
[H+]=[Br-]=0.00234 M
pH= - log (0.00234)=2.34
Answer:
15m
Explanation:
vi = 0
vf = 10
a = -9.8
10^2 = 0 + 2(-9.8)(x2-x1) = -5.1
20-5.1 = 14.9m = 15m
