A20 n force acts to the right on a 25kg mass that is resting on a flat, frictionless plane. what is the acceleration of the mass?

Ineed the answer to question 1 , i’m desperate

Which one of the following represents the reduced forms of the two major electron carriers? nadh and fadh2 nad+ and fadh2 nad+ and fad nadh and fad

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third.b) increased by a factor of three.c) increased by a factor of two.d) reduced to one-half"