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What type of intermolecular forces would most likely be present between molecules of CCL2F2?
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What is the mass ratio of Cl in CCl2F2?
C = 12 x 1 = 12Cl = 35.5 x 2 = 71F = 18.1 x 2 = 36.2TOTAL = 119.2mass ratio of Cl = 71/119.2 = 0.596
What is CFC and how is the ozone molecule destroyed by CFCs?
A CFC is a molecule which consists of Chlorine, Fluorine and Carbon only. Ozone is destroyed due to the formation of a chlorine free radical. For example, the CFC CCl2F2 photo-dissociates (decomposes due to UV rays) to form the chlorine free radical and this then reacts with ozone breaking it down into oxygen. The main problem with CFCs is that after destroying the ozone molecule, the chlorine free radical regenerates and can destroy more ozone in a massive chain reaction.
What is the chemical composition of Hot Shot Freon?
Freon is a patented name. But there are several formulas. CHCl2F, called Freon-12 CCl3F called Freon- 11 C2Cl3F3 called Freon 113 There are several more, called halokanes Research CFC's and halokanes for mre info just add me on facebook : Rosalejos_jennifer@yahoo.com(XHUO-YHANG)
Can freon affect the ozone layer?
Freon is actually a brand name for a class of compounds known that contain fluorine, and are gases at room temperature. If the compound also contains the halogens chlorine or bromine, these compounds are known ozone depleters (CFCs, HCFCs, and so on). The fluorine presents no challenge, but the other halogens do. For instance, Freon R-12 is CCl2F2. These compounds were commonly used until it was discovered that they can catalytically destroy ozone. Bromine from Halons has a very similar effect. Here is what happens when these man-made molecules are released into the atmosphere: # They mix in the troposphere # They mix into the stratosphere # When exposed to UV light, the C-Cl bond is broken and the free radical Cl. is formed # Cl. reacts with ozone (O3) to form O2 and ClO, another radical. # ClO reacts with O to form O2 and Cl. # Go back to step 4. and the process repeats itself until the Cl is rained out as HCl. It could repeat ozone destruction 10,000 times plus or minus, depending only on other compounds to tie it back up, and UV not to release it again. The net chemical reaction is this: O3 + O --> 2O2 CFC's remain in the atmosphere for something like 50 years, continually destroying ozone. Since they were banned by the Montreal Protocol, they have largely been replaced by similar molecules, but these new ones are less stable. These new molecules are destroyed before they are able to reach the stratosphere, where the protective layer of ozone is found, and do not destroy ozone. Many developing nations continue to use the old dangerous CFC's however. The R12 Freon (for one example of hundreds) refrigerant was phased out due to being a Ozone (O3) destroying / interactive chemical. It was replaced with R134. Since the phasing out of R12, measurements of the Antarctic Ozone layer show that the Ozone is recovering and is therefore cited as a positive change resulting from environmental policy. Update: record size ozone hole in 2007, and near record in 2008. R12 may be reduced, but other compounds have apparently stepped in.
How is freon synthesized?
Freons">FreonsThe chloro fluoro derivatives of methane and ethane are called freons. Some of the derivatives are: CHF2Cl (monochlorodifluoromethane), CF2Cl2 (dichlorodifluoro-methane), HCF2CHCl2 (1,1-dichloro-2,2-difluoroethane). These derivatives are non-inflammable, colourless, non-toxic, low boiling liquids. These are stable upto 550°C. The most important and useful derivative is CF2Cl2 which is commonly known as freon and freon-12.Freon or freon-12 (CF2Cl2) is prepared by treating carbon tetrachloride with antimony trifluoride in the presence of antimony pentachloride as a catalyst.(SbCl5).3CCl4 + 2SbF3 -----→ 3CCl2F2 + 2SbCl3CatalystOr it can be obtained by reacting carbon tetrachloride with hydrofluoric acid in presence of antimony pentachloride (SbCl5).CCl4 + 2HF -----→ CCl2F2 + 2HClUnder ordinary conditions freon is a gas. Its boiling point is -29.8°C. It can easily be liquified. It is chemically inert. It is used in air-conditioning and in domestic refrigerators for cooling purposes (As refrigerant). It causes depletion of ozone layer.
How many atoms in ccl2f2?
there are 6 atoms in CCl2F2
Does CCl2F2 have hydrogen bond?
CCl2F2 can act as a hydrogen bond acceptor at the fluorine atoms, by not as a hydrogen bond donor, as it does not have any hydrogen atoms.
Give 5 example of polyatomic compounds?
H2SO4, HNO3, H3PO4, NaNO3, CCl2F2
Is ccl2f2 induced dipole dipole-dipole or hydrogen bonds?
CCl2F2 will have both Van der Waals forces and dipole-dipole forces.Hydrogen bonds only form from a Hydrogen atom, when a highly elecronegative atom (Nitrogen/Oxygen/Fluorine)
What elements make up CCL2f2?
One atom of Carbon, two atoms of Chlorine, and two atoms of Fluorine.
What is one mole of freon CCl2F2 the chemical ratio of carbon to chloride to fluorine is 2-1-2?
its False
What is one mole of freon CCl2F2 the chemical ratio of carbon to chloride to fluorine is 2 1 2?
False
What is the mass of 0.500 mol of dichlorodifluoromethane CCl2F2?
The molar mass is 120.91 g·mol−1 , so 0.500 mol weights (60.445=) 60.5 grams
What can you do to limit global warming?
we can minimize it by cutting short the use of air conditioners,refrigerators,aerosol sprays and all the things which contain clouroflouorcarbons ( CCL2F2,CCL3F),which damage the ozone layer and become a cause of global warming.
What is the chemical name for CCl2F2?
CCl2 does exist as a reactive intermediate (but fleetingly and not stable) and is known as Dichlorocarbene. It is available in singlet and triplet format. However, CCl4 is stable and is known as tetrachloromethane or carbon tetrochloride.
What is the mass ratio of Cl in CCl2F2?
C = 12 x 1 = 12Cl = 35.5 x 2 = 71F = 18.1 x 2 = 36.2TOTAL = 119.2mass ratio of Cl = 71/119.2 = 0.596
What is the molecular shape around the central atom in CF2Cl2?
The molecule that you describe, which would more accurately be written as CCl2F2 is the same shape as a methane molecule; the carbon is in the center, and it is surrounded by a symmetrical arrangement of two chlorine and two fluorine atoms, which are at the points of a tetrahedron.
