Chemical Weathering Processes (Leaving Cert Geography): Flashcards
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Practise the cards
10 cards from this deck
What triggers chemical weathering in rocks?
What triggers chemical weathering in rocks?
Chemical reactions occur upon contact with water.
How does chemical weathering change rocks?
How does chemical weathering change rocks?
It alters their composition, leading to breakdown.
In what climates is chemical weathering most active?
In what climates is chemical weathering most active?
Hot, humid climates see faster rates than cooler ones.
What are common types of chemical weathering in Ireland?
What are common types of chemical weathering in Ireland?
Carbonation and Hydrolysis are the most common.
What forms during rainwater mixing with CO2?
What forms during rainwater mixing with CO2?
A weak carbonic acid is formed.
What does weak carbonic acid do to limestone?
What does weak carbonic acid do to limestone?
It dissolves calcium carbonate, forming soluble bicarbonate.
What is Hydrolysis in mineral weathering?
What is Hydrolysis in mineral weathering?
Water reacts with minerals, altering their structure.
What does Feldspar turn into during Hydrolysis?
What does Feldspar turn into during Hydrolysis?
Feldspar converts to Kaolin clay with water.
How does temperature affect Hydrolysis rates?
How does temperature affect Hydrolysis rates?
Rates double with every 10°C increase in temperature.
What does hydration do in chemical weathering?
What does hydration do in chemical weathering?
It involves water adding to minerals, causing structural change.