a. bubbles
b. rxn decreases with time
c. ran how of marble chips
d.
1. incrase concn HCl
2. increase surface area of chips by breaking them apart into smaller pieces.
A lamp of marble chips was dropped in excess 0.1mol/dm hydrochloric acid and observed for sometime. (a) State what you would see. (b)Describe how the rate of reaction changed with time.
(c)Explain why the reaction stopped after sometime.
(d)The reaction was rather slow.State two ways of speeding it up.
1 answer
1 answer