Compared to a 15-gram sample of Cu(s) at 25°C, a 25-gram sample of Cu(s) at 25°C has

January 2018 NY Regents Chemistry Exam

13 Compared to a 15-gram sample of Cu(s) at 25°C, a 25-gram sample of Cu(s) at 25°C has

(1) the same density and the same chemical properties

(2) the same density and different chemical properties

(3) a different density and the same chemical properties

(4) a different density and different chemical properties

Solution: Both samples are of the same material and should have the same chemical properties and density.

Answer: 1

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