In the structure of acrolein (prop-2-en-1-al) above, the most deshielded signal observed in the proton NMR spectrum is around 10 ppm. It corresponds to… … the red proton

… the green proton

… the blue proton

… the black proton

uranium fissions/breaks up giving out energy and neutrons

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

an electric circuit

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.