CO 2 and greenhouse effect CO 2 and greenhouse effect Kateřina Vítková Žaneta Pavlíčková.
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Transcript of CO 2 and greenhouse effect CO 2 and greenhouse effect Kateřina Vítková Žaneta Pavlíčková.
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COCO22 andand
greenhouse effectgreenhouse effectKateřina VítkováKateřina Vítková
Žaneta PavlíčkováŽaneta Pavlíčková
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COCO22 gasgas solid - solid - dry icedry ice liquid- solvent for many organic liquid- solvent for many organic
compoundscompounds
Chemical and physical properties:Chemical and physical properties: colorless, tasteless, odourless colorless, tasteless, odourless at high concentration - suffocating at high concentration - suffocating
gasgas
Suffocating gas – dusivý plyn
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Application COApplication CO22
Carbon dioxide is used to produce:Carbon dioxide is used to produce:• IInorganic carbonate, Methanol, norganic carbonate, Methanol,
Polycarbonate, PolyurethanePolycarbonate, Polyurethane Bakery – leavening agent, baking sodaBakery – leavening agent, baking soda Food industry – soft drink, soda waterFood industry – soft drink, soda water Welding gasWelding gas Fire extinguishers, especially for electrical Fire extinguishers, especially for electrical
fires fires Plants require carbon dioxide to conduct Plants require carbon dioxide to conduct
photosynthesisphotosynthesis
Leavening agent – prásěk do pečiva fire extinguishers – hasící přístroj
Soft drink – limonáda Welding gas – svařovací plyn
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Greenhouse effectGreenhouse effect
Greenhouse gasesGreenhouse gases
The atmosphereThe atmosphere warming is causewarming is causedd by by influence of increasing influence of increasing amount COamount CO22 and other and other greenhouse gases.greenhouse gases.
Greenhouse effect – skleníkový efekt
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The Sun energy penetrating to theThe Sun energy penetrating to the earthearth..
penetrating - proniknout
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The earth's surface absorbs the solar The earth's surface absorbs the solar energy but energy but partpart of energy come of energy comess back back
into theinto the space.space.
space - vesmír
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CComing luminous energy warming the oming luminous energy warming the Earth which then emitEarth which then emitss energy in the energy in the form of infrared radiation or a heat.form of infrared radiation or a heat.
Infrared radiation – infračervené záření
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A part of this IR radiations coming back to the A part of this IR radiations coming back to the earth again which is causeearth again which is causedd by the help of by the help of
greenhouse gases includegreenhouse gases includedd in the atmosphere in the atmosphere..
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Infrared radiation has a long wavelength. Infrared radiation has a long wavelength. Greenhouse gases unlike of the other gases Greenhouse gases unlike of the other gases
include moleculeinclude moleculess which absorb this which absorb this radiationradiation..
wavelength – vlnová délka
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The moleculeThe moleculess absorb the infrared radiation absorb the infrared radiation and then re-emit it back in all direction into and then re-emit it back in all direction into
the surroundings.the surroundings.
surrounding - okolí
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A part of energy is emitted into the space A part of energy is emitted into the space but a part is coming back and warming the but a part is coming back and warming the
Earth.Earth.
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Warming Earth surfaceWarming Earth surface..
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The endThe end