Answer:
this data is both accurate and precise
E=hv
=6.625×10^-34Js^-1×1.97×10^8s^-1
Cancel sec inverse.
=13.05×10^-26.
A adult pushing a car and a child pushing a car. Are two unbalanced forces
If 1mol ------- is ----------- 6,02×10²³
so x ------- is ----------- 1,39×10²⁴