co 2 and greenhouse effect co 2 and greenhouse effect kateřina vítková Žaneta pavlíčková

COCO22 andand

greenhouse effectgreenhouse effectKateřina VítkováKateřina Vítková

Žaneta PavlíčkováŽaneta Pavlíčková

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

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

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

The Sun energy penetrating to theThe Sun energy penetrating to the earthearth..

penetrating - proniknout

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

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

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..

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

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

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.

Warming Earth surfaceWarming Earth surface..

The endThe end