Explain how ozone absorbs important radiation in the stratosphere
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Card 17
Front
A layer of ozone in the stratosphere can be depleted by CFC's. When UV light acts on the CFC, a highly reactive atom is made that destroys the ozone. Which atom and what type of atom is it?
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Card 18
Front
Explain how a covalent bond breaks to form a highly reactive chlorine atom
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Card 19
Front
UV radiation causes radicals. Each radical sets off a chain reaction. What are the three stages of the reaction?
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Card 20
Front
How is permanent hardness produced?
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Card 21
Front
How is hard water formed?
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Card 22
Front
Heating removes the ___ ___ __ from the water, by changing then into ____ ____ ____.
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Card 23
Front
Thermal decomposition softens ____ hardness only. Washing soda can soften both ____ and ____ had water. It is sodium carbonate.
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Card 24
Front
Rain water dissolves carbon dioxide. How does it change the rainwater?
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Card 25
Front
Which chemical compound causes temporary hardness?
