Hey there, The answer is A. Free electrons.
Work is done when a force is applid to an object in motion. It is calculated by multiplying the amount force applied to the object and the distance the object travels.
<span>
Work = force x distance
</span><span>Work = 2 N x 20 m
</span><span>Work = 40 Nm
</span><span>
Thus, the answer is the 4th option which is 40 Nm.</span>
At Equilibrium, The rate of formation of Products is equal to the rate of degradation of Reactants.
Hope this helps!
Explanation:
FeCl3 + <u>3</u> KSCN ➡ <u>3</u> KCl + Fe(SCN)3
Hope it helps