Lightboxes

Image 1 of 1
ACID RAIN DAMAGE TO STATUE OF WASHINGTON <br />
Before - Washington as Commander-in-Chief <br />
Washington Sq Arch, Washington Sq Park, July 17, 1935. SO2 combines with atmospheric moisture (H20), yielding acid rain, or sulfuric acid (H2SO4). CaCO3 in limestone statuary dilutes the sulfuric acid to form calcium sulfate, corroding the stone.

Fphoto-36629405-2NYa.jpg

ACID RAIN DAMAGE TO STATUE OF WASHINGTON
Before - Washington as Commander-in-Chief
Washington Sq Arch, Washington Sq Park, July 17, 1935. SO2 combines with atmospheric moisture (H20), yielding acid rain, or sulfuric acid (H2SO4). CaCO3 in limestone statuary dilutes the sulfuric acid to form calcium sulfate, corroding the stone.

Copyright:© 1994 NYC Parks Photo Archive - Fundamental Photographs

Search for Keywords:

acid rain
atmospheric pollution
atmosphere
before and after
calcium carbonate
calcium sulfate
chemical erosion
chemical reaction
chemistry
earth science
ecology
environment
erosion
george washington
pollution
reaction
science
sequence
series
sulfur dioxide
vertical
weathering