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Why does calcium carbonate dissolve in rainwater when it is insoluble in pure water?
Because rain water is not always "pure water", in fact it usually isn't. Rain water always contains carbonic acid (from CO2) and often contains a small amount of sulfuric acid from the various sulfa compounds released by industry, cars, and volcanoes.
What is the name of the acid found within rainwater?
It's because there is already natural CO2 in the rain water (from the atmosphere), and CO2 is an acidic gas. In today's world, there is no such thing as unpolluted water. We have successfully polluted the atmosphere and our earth. Our water is full of hydrocarbons, pharmaceuticals, and a plethora of other toxins/pollutants.
Why rainwater is able to attack limestone?
Rainwater contains carbon dioxide, which dissolves in the water to form a weak carbonic acid. When this acidic rainwater comes into contact with limestone, a chemical reaction occurs where the acid dissolves the calcium carbonate in limestone, leading to the erosion and dissolution of the rock over time.
Is rain and element mixture or a compound?
mixture, definitely. unpolluted rainwater has water, carbonic acid (from dissolved carbon dioxide in the atmosphere), dust, and maybe other things
What element is in sulphuric acid hydrochloric acid nitric acid and ethanoic acid?
Sulphuric acid contains sulphur, hydrochloric acid contains chlorine, nitric acid contains nitrogen, and ethanoic acid contains carbon.
What is the Form of weathering that involves chemicals?
There are 2 Main types: Carbonation: carbon dioxide gas in the atmosphere reacts with rainwater and pore water in the soil to form carbonic acid. The air in the soil pore spaces are rich in carbon dioxide due to decomposing plant litter. This makes groundwater more acidic than rainwater. This mainly affects limestone Hydrolysis: The reaction between water and silicate minerals. It is speeded up if the water contains carbonic acid. Positive ions from water and carbonic acid react with the minerals ions. The products are a residual clay mineral, silica, carbonate or bicarbonate in solution.
What elements does sulphuric acid (H2SO4) contain?
Sulphuric acid (H2SO4) contains hydrogen (H), sulphur (S), and oxygen (O) elements.
Does soda have a weak acid or strong?
Soda contains the weak acid carbonic acid.
What chemicals are found in rainwater?
Rainwater contains a mix of chemicals primarily derived from the atmosphere. It typically includes dissolved gases like carbon dioxide, which forms weak carbonic acid, as well as trace amounts of pollutants such as sulfur dioxide, nitrogen oxides, and particulate matter. Additionally, rainwater can pick up minerals and nutrients, including calcium, magnesium, and potassium, as it falls through the air and interacts with surfaces. The composition can vary significantly based on geographic location and environmental factors.
What is an acid called if it contains more quantity of water?
Its typically called "Dilluted", example, "Sulphuric Acid" often used as "Dilluted Sulphuric Acid" in car batteries.
What acid does groundwater naturally contain?
Groundwater usually contains carbonic acid.
How does rainwater help plants take in nutreints?
The rainwater contains minerals from the clouds, walls of rainwater tanks etc, thy just do. But water from a tap (unless bore water) Has no minerals in them and is clean and has no minerals.
