Answer:
When the moles of the reactant is equal to the mole of the product.
Like to check? Just add up the charges on both sides and see if they equal each other:)
If u click on all of them it gives u an A+ and doesn’t even read what u wrote. So u never really have to try hard on the writing parts just tell them u included them all
If 25 and 5 go to the right, Fr = 30N. Friction always opposes motion (it goes to the left).
This means Fl = -10N. Fnet = Fr + Fl, which means Fnet = 20N.
Since Fnet = mass * acceleration, 20 = 5 * a. Thus, a = 4 m/s^2
