Marble Statues And Acid Rain Equation

Figure 4 18 acid rain damage to a statue of george washington.

Marble statues and acid rain equation.

Although these are recognized as highly durable materials buildings and outdoor monuments made of marble and limestone are now being gradually eroded away by acid rain. Acid rain effects on buildings. Sulfur dioxide plus water makes sulfurous acid. Caco3 s h2so4 aq caso4 aq co2 g h2o l caso4 is pretty insoluble stuff but it will dissolve in the large amount of water during the process of the degradation of the caco3 caused by acid rain.

Acid precipitation affects stone primarily in two ways. In exposed areas of buildings and statues we see roughened. How does acid rain ruin statues and monuments. Although many different types of stone have been used for sculpture the most vulnerable to potential acid rain damage are marble and limestone steiger 2015 the former is essentially a recrystallized form of the latter.

Effects of acid rain on the environment. Marble like all calcareous rocks is particularly sensitive to degradation by acid chemicals and to weathering. Acid rains are one of the main degradation agents for marble artifacts. Describe the chemical processes that cause limestone and marble statues to corrode.

In exposed areas of buildings and statues we see roughened surfaces removal of material and loss of carved details. When sulfurous sulfuric and nitric acids in polluted air react with the calcite in marble and limestone the calcite dissolves. Metals like iron and calcium carbonate react with the acid in the rain slowly as follows. Both marble and limestone consist of caco 3 which reacts with acid rain in an acid base reaction to produce caso 4.

Caco 3 h 2 so 4 caso 4 h 2 o co 2. How does acid precipitation affect marble and limestone buildings. Acid rain pollutes the air and corrodes buildings monuments and statues made of metals and marble. Fe s h 2 so 4 aq feso 4 aq h 2 g caco 3 s h 2 so 4 aq caso 4 s co 2 g h 2 o.

When sulfurous sulfuric and nitric acids in polluted air and rain react with the calcite in marble and limestone the calcite dissolves. Acids have a corrosive effect on limestone or marble buildings or sculptures. Stone surface material may be lost all over or only in spots that are more reactive. It is well established that either wet or dry deposition of sulfur dioxide significantly increases the rate of corrosion on limestone sandstone and marble.

Both are composed of calcite caco 3 other types of stone which are composed of silicate minerals such as granite or sandstone are intrinsically more resistant to acid attack. Balance the chemical equation for. Because caso 4 is somewhat soluble in water significant damage to the structure can result. How does this happen.