Asilver necklace is melted down and poured into a square shaped mold. this produces a square shaped piece of silver with which property?
a. greater conductivity than the necklace
b. the same shape as the necklace
c. the same mass as the necklace.
d. less ductility than the necklace.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity