13=3x-x/2
13=5x/2
26=5x
X=5.2
Answer:
62
Step-by-step explanation:
SHDJJEHEH shdhshshshshduvuvuvububuyb
Mass of electron:9.109 times 10^-31 kg
mass of proton: 1.673 times 10-27
speed of light=3.0 times 10^8
avogadro's number 6.02 times 10^32
planck's constant: 6.63 times 10^-34
just google chem constants sheet
Step-by-step explanation:
r-5r-6s+8s-15
-4r+2s-15
= 2s-4r-15
