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20 January, 01:03

1. A 1.0-gram sample of powdered Zn reacts faster with HCl than a single 1.0-gram piece of Zn because

the surface atoms in powdered Zn have

(1) higher average kinetic energy

(2) lower average kinetic energy

(3) more contact with the H + ions in the acid

(4) less contact with the H + ions in the acid

+1
Answers (2)
  1. 20 January, 02:01
    0
    3)

    It has more surface area to react with
  2. 20 January, 03:09
    0
    Answer:4

    Explanatin: I think its 4 because their is less to contact.
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