The best answer among the choices listed is the third option. The rate over the course of a reaction <span>decreases because the concentration of reactants decreases. As the concentration of the reactants decreases, there is less particles to form the products therefore less rate.</span>
I had this same question on one of are worksheets is D I can’t really explain it but the answer is D
Answer:
the answer is in the picture
Answer: -2m/s2
Explanation:
Using the following equation ; acceleration = Change in velocity / time
i.e a = v - u / t
where 'a' = acceleration
v = final velocity
u = initial velocity
t = time
Therefore; from the graph we have acceleration to be, 0 - 6m/s / 3s = -2m/s2
Answer:
Alchemy is generally seen as an archaic proto-science based on superstition that is of little interest to the modern chemist. ... In Western alchemy, perfection is achieved through the action of the Philosophers Stone. Alchemists believed that it could turn any substance into gold, prolong life and cure illness
Explanation: