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Acid rain - Wikipedia


Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). It can have harmful effects on plants, aquatic a...

Carbon Dioxide Can Make a Solution Acidic | Chapter 6: Chemical ...


Carbon dioxide (CO2) gas dissolved in water can cause water to become acidic. The acidity of water from dissolved CO2 can be reduced by a base such as .... As rainwater falls through the air, it reacts with carbon dioxide, forming carbonic acid . ... called the greenhouse effect, which makes Earth and its atmosphere warmer  ...

Carbon Dioxide and Carbonic Acid

ion.chem.usu.edu/~sbialkow/Classes/3650/Carbonate/Carbonic Acid.html

The most common source of acidity in water is dissolved carbon dioxide. Carbon dioxide enters the water through equilibrium with the atmosphere. CO2 (aq) ... Since CO2 makes up 0.0355% of the atmosphere (on the average) and. KCO2 ...

Why is rain water naturally acidic? | Reference.com


Rain water absorbs carbon dioxide from the air it passes through on its way down . The carbon dioxide reacts with the water to form carbonic acid.

GCSE CHEMISTRY - What is the Carbon Cycle? - How does the ...


release carbon dioxide into the atmosphere ... Carbon dioxide in the atmosphere dissolves in rain water, ... This makes rain water naturally acidic (pH = 5.5).

What makes rainwater acidic - Answers.com


The term acid rain or more accurately acid precipitation is commonly used to mean the ... Dissolved carbon dioxide dissociates to form weak carbonic acid giving a pH of approximately 5.6 at typical atmospheric concentrations of CO2.

What is Acid Rain? | Acid Rain | US EPA


Mar 31, 2016 ... Acid rain results when sulfur dioxide (SO2) and nitrogen oxides ... rain has a pH of about 5.6; it is slightly acidic because carbon dioxide (CO2) ...

Why is regular rainwater a little acidic? - Quora


What makes rainwater acidic? Summary of 8 answers and my answer. H2O dissociates ... One atmospheric gas I'm sure you've heard of is CO2. CO2 + H2O  ...

Is pure water acidic? - ResearchGate


Jun 6, 2016 ... As temperature increases the dissolution of CO2 in water decreases. Why does the ... Normal rainwater has a pH of 5.6 (slightly acidic). This is ...

What is Acid Rain | Air Pollution


Rain water is naturally acidic as a result of carbon dioxide dissolved in water and from volcanic emissions of sulphur. However, it is the chemical conversion of ...

More Info

Acid Rain


As is seen in Table I, carbon dioxide (CO2) is present in the greatest concentration and therefore contributes the most to the natural acidity of rainwater.

BBC - GCSE Bitesize: The Acid Rain Problem


Carbon dioxide in the air can dissolve in rain water to form carbonic acid, H2CO3 . ... Over millions of years this very dilute acidic solution has been responsible ...

CHEMISTRY DISCUSSION ACID RAIN Information ... - Kwanga.net


The acidity of rainwater comes from the natural presence of three substances ( carbon dioxide CO2, nitric oxide NO, and sulfur dioxide. SO2) found in the lower  ...