8.3 Acid Deposition

Which statement is not true about the increasing levels of atmospheric carbon dioxide?

CO₂ (g) + H₂O (l) ⇌  H⁺ (aq) + HCO₃^- (aq)

HCO₃^- (aq) ⇌ H⁺ (aq) + CO₃^2- (aq)

What is a major acid responsible for acid rain and originates from car engines?

What are three consequences of acid rain?

1. Corrosion of marble statues
2. Ozone depletion
3. Leaching of Al³⁺

Some coal contains as much as 3% sulfur. How much sulfur dioxide (M = 64.07 g mol^-1) is produced by burning a lump of coal of mass 125 g?  (A_r S = 32.07)

Which are true about the effect of acid deposition on plants?

1. Essential minerals are lost
2. Toxic minerals can be absorbed from the soil
3. Respiration and photosynthesis are reduced

Which are true about the effect of acid deposition on human health?

1. Acid rain can burn the skin
2. Acid particulates can trigger asthmatic attacks
3. Toxic metal ions can be ingested

The conversion of toxic emissions into harmless products takes place in catalytic converters as follows:

_CO (g) + _NO (g) → _CO₂ (aq) + _N₂ (g)

The sum of the coefficients is

Which can be used to reduce NO_x emissions ?

1. Catalytic converters in cars
2. Lower temperature of combustion
3. Blended gasoline-alcohol fuel

Iron structures can be damaged by dry deposition such as the equation below:

Fe (s) + SO₂ (g) + O₂ (g)  →   FeSO₄ (s)

Which is true?

1. Iron is a reducing agent
2. Sulfur is a reducing agent
3. The enthalpy change is ΔH_f