You are working with an artist who has been commissionedto make a sculpture for a big city in the eastern UnitedStates. The artist is wondering what material to use to makeher sculpture because she has heard that acid rain in theeastern United States might destroy it over time. You takesamples of granite, marble, bronze, and other materials,and place them outdoors for a long time in the big city.You periodically examine the appearance and measure the mass of the samples. (a) What observations would leadyou to conclude that one or more of the materials are wellsuitedfor the sculpture? (b) What chemical process (or processes)is (are) the most likely responsible for any observedchanges in the materials?
You are working with an artist who has been commissioned
to make a sculpture for a big city in the eastern United
States. The artist is wondering what material to use to make
her sculpture because she has heard that acid rain in the
eastern United States might destroy it over time. You take
samples of granite, marble, bronze, and other materials,
and place them outdoors for a long time in the big city.
You periodically examine the appearance and measure the mass of the samples. (a) What observations would lead
you to conclude that one or more of the materials are wellsuited
for the sculpture? (b) What chemical process (or processes)
is (are) the most likely responsible for any observed
changes in the materials?
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