Web Results

en.wikipedia.org/wiki/Acid_rain

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 animals and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which ... Distilled water, once carbon dioxide is removed, has a neutral pH of 7.

www.chemistry.wustl.edu/~edudev/LabTutorials/Water/FreshWater/acidrain.html

Pure water has a pH of 7.0 (neutral); however, natural, unpolluted rainwater actually has a ... Carbon dioxide reacts with water to form carbonic acid (Equation 1). .... with deleterious environmental effects, making this a growing environmental ...

sciencing.com/rain-naturally-acidic-6475032.html

Apr 24, 2017 ... One of these impurities is atmospheric carbon dioxide, or CO2, ... but most rain water ultimately has a pH between five and seven, making it ...

www.quora.com/Why-is-regular-rainwater-a-little-acidic

*assuming the equilibrium constants for the system CO2-H2O have not changed drastically! 230 Views ... To answer the question "What makes rainwater acidic?

earthscience.stackexchange.com/questions/7929/what-would-the-ph-of-rainwater-be-if-carbon-dioxide-in-the-atmosphere-doubled

Apr 30, 2016 ... If a linear relationship is assumed, then if there were 800 ppm of CO2, rain water would have a pH of 5.0. Though, if we assume the log ...

www.middleschoolchemistry.com/lessonplans/chapter6/lesson10

Key Concepts. 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 ...

www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/context_chemistry/acidrainrev1.shtml

Carbon dioxide in the air can dissolve in rain water to form carbonic acid, H2CO3 . CO2 + ... Limestone is made of calcium carbonate, which reacts with acids.

www.thehindu.com/seta/2004/03/25/stories/2004032500400400.htm

Mar 25, 2004 ... Normal rainwater has a pH of 5.6 (slightly acidic). This is because it is exposed to the carbon dioxide in the atmosphere. The carbon dioxide ...

ion.chem.usu.edu/~sbialkow/Classes/3650/Carbonate/Carbonic%20Acid.html

Carbon Dioxide and Carbonic Acid. The most common source of acidity in water is dissolved carbon dioxide. Carbon dioxide enters the water through ...