lead ii iodide ionic or molecular

PbSO4 C3I8. HSDB 636. Chemistry Department Binary ionic compounds typically consist of a metal and a nonmetal. Question =  Is AsH3 polar or  nonpolar  ? C.I. A student activity sheet to accompany this demonstration is available. FT-0627762. Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of aqueous solutions is mixed. Answer =  SCN-  (Thiocyanate) is   Polar What is polar and non-polar? This demonstration takes about 8 minutes to perform if you rush through it and do it is as a teacher presenting information to students. Answer =  CF2Cl2  (Dichlorodifluoromethane)  is  Polar What is polar and non-polar? How do I know whether to write an ionic formula or a molecular formula? The product is the ionic compound, sodium chloride. Calcium hydroxide--ionic, but the hydroxide ion has a covalent bond in it. A set of lecture presentation slides to accompany this demonstration is available. The custom demos section of the website is used by UO chemistry instructors to schedule demonstrations that are not listed in the database. The net ionic reaction is Pb2+(aq) + 2 I-(aq) --> PbI2(s), The Kspof PbI2 is 9.8 X10-9. Do not proceed to schedule a custom demo unless you have already conferred with the lecture demonstrator about it. The instructor should be prepared to lead a discussion of writing the 'molecular equation", "full ionic equation" and the net ionic equation. the ions disperse in solution. http://periodic-table-of-elements.org/SOLUBILITY. Lead(II) Iodide (99.99%, trace metals basis) [for Perovskite precursor] Blei(II)-iodid. Lead(II) iodide. There is no standard term for this type of equation. PbI2. This demonstration, with the pedagogy of having students "do the work" of predicting products, writing equations, and drawing particle level diagrams works best if it is presented AFTER the precipitation of silver chromate demonstration - which is done in a teacher directed manner. C. One day of lead time is required for this project. 12684-19-4. What is the significance of this demonstration? … A: Sulfuric acidCobalt (II)sulfate B: Potassium Hydroxide +Lead(II)nitrate Molecular Ionic Net Ionic 12. Answer =  CLO3-  (Chlorate)  is  Polar What is polar and non-polar? An ionic compound is composed of ions that may have a positive or negative charge. When a few crystals of lead nitrate and potassium iodide are added to opposite sides of a Petri dish containing deionized water, after a few minutes, a line of bright yellow lead(II) iodide precipitate forms down the middle of the dish. The only way the solid lead(II) iodide precipitate can form in the middle of the petri dish is for 1) the Pb(NO 3) 2 and the KI to dissociate into ions in the water and 2) the Pb 2 + ions and I-ions must migrate in the aqueous solution, i.e. Question =  Is ICl3 polar or  nonpolar  ? It was formerly called plumbous iodide. Ionic and molecular compounds are named using somewhat-different methods. If there is a multi-valent metal present, write both the stock and classical name. © Copyright 2012 Email: In a large lecture hall a document camera is necessary to project the image of the reaction. The word total can also be used, as in 'total ionic equation' or even simply 'total equation.' Solved: I. Answer =  AsH3  ( Arsine )  is  Polar What is polar and non-polar? At room temperature, it is a bright yellow odorless crystalline solid, that becomes orange and red when heated. Don’t forget to use roman numerals when appropriate. The line of precipitate does not begin to appear until a two or three minutes time have elapsed and it takes a few more minutes for the line to reach across the dish. Complete Ionic Equations. The extent of the solubility of a substance in a specific solvent is measured as the saturation concentration, where adding more solute does not increase the concentration of the solution and begins to precipitate the excess amount of solute. Cr 2O3 chromium (III) oxide NaBr sodium bromide PbI 2 lead (II) iodide HCl hydrogen chloride Al 2O3 aluminum oxide BN boron nitride RbI rubidium iodide BaF 2 barium fluoride Place a Petri dish under an document projector camera (preferably on a dark background) or on an overhead projector. It could also be used when the mechanism of dissolution is presented to illustrate that dissolved substance are still present, even though they may become "invisible.". The Complete ionic equation shows all the ions present in solution separately. Ca3(PO4)2 CO2. a) molecular equation. A common threshold to describe something as insoluble is less than 0.1 g per 100 mL of solvent. 2. carbon monoxide. This demonstration is usually performed when solubility rules, precipitation reactions, and net ionic reactions are being discussed. Question =  Is C2Cl4 polar or  nonpolar   ? Chemical bond A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. Type II Ionic Compounds Type II Ions ... (III) oxide strontium oxide lead (II) nitride Fe 2O3 SrO Pb 3N2 Write the names of the following binary compounds. It's probably best to drain it into a waste container of some kind before removing the demo. Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent. This demonstration provides evidence to support this claim. Q408805 Answer : Lead (II) Sulfide ( PbS ) is an Ionic bond What is chemical bond, ionic bond, covalent bond? Polar "In chemistry, polarity... Is PbI2 ( Lead(II) iodide ) Soluble or Insoluble in water ? KSC156K2D. PbI 2 Lead(II) iodide … Answer =  C4H10 (  BUTANE )   is Polar What is polar and non-polar? This demonstration, when presented as a guided-inquiry active student learning approach, combined with particle diagrams can be highly effective because it addresses all three areas of Johnstone's triangle: macroscopic, symbolic, and microscopic (particle level). This demo illustrates these rules. The only way the solid lead(II) iodide precipitate can form in the middle of the petri dish is for 1) the Pb(NO3)2 and the KI to dissociate into ions in the water and 2) the Pb2+ ions and I- ions must migrate in the aqueous solution, i.e. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds; or through the sharing of electrons as in covalent … 3. sulfur dioxide. The university shall not be liable for any special, direct, indirect, incidental, or consequential damages of any kind whatsoever (including, without limitation, attorney's fees) in any way due to, resulting from, or arising in connection with the use of or inability to use the web site or the content. the ions are mobile, until they find each other and form a solid. the ions are mobile, until they find each other and form a solid. At least include the state symbols in the balanced equation: Pb(C2H3O2)2(aq) + 2NaI(aq) --> PbI2(s) + 2NaC2H3O2(aq) The reaction produces insoluble lead (II) iodide. and Question =  Is SCN- polar or  nonpolar ? 10101-63-0. while the demo proceeds. A: Sulfuric acid + Sodium Carbonate B: Potassium Hydroxide + Sodium Phosphate Molecular Ionic Net Ionic A: Sulfuric acid +Barium Chloride B: Potassium Hydroxide + Copper(II)nitrate 13. Presenting the Demonstration   This demonstration takes about 8 minutes to perform if you rush through it and do it is as a teacher presenting information to students. The ionic equations are; ZnCl 2----- > Zn +2 + 2Cl-1 Pb(NO 3) 2----- > Pb +2 + 2NO 3-1 The net ionic equation for the reaction is; Carbon tetrachloride barium chloride. Lead (II) sulfate tricarbon octaiodide . cui2 ( copper iodide ) pbcro4 ( LEAD CHROMATE ) PbF2 ( Lead fluoride ) Fe(OH)3 ( Ferric hydroxide ) Fe2O3 ( Iron(III) oxide ) PbS ( Lead(II) sulfide ) PbSO4 ( Lead(II) sulfate ) Ca3(PO4)2 ( calcium phosphate ) BaSO4 ( Barium sulfate ) hno2 ( Nitrous acid ) agl Ba3(PO4)2 ( barium phosphate ) PbI ( Lead(II) iodide ) HgI2 ( Mercury diiodide ) Hg2Br2 ( Mercury(I) bromide ) Question =  Is ClF polar or  nonpolar ? Lab 4.docx - Answer these questions before beginning the lab ... Chemical Reactions - Experiment. Aqueous lead (II) nitrate reacts with aqueous lithium iodide to produce solid lead (II) iodide and aqueous lithium nitrate: 1)The balanced molecular equation: Pb(NO3)_2 (aq) + 2LiI (aq) ---> PbI2 (s) + 2LiNO3 (aq) 2)The full ionic equation: (+2) (-) (+) (-) (+) (-) Pb (aq) + 2NO3 (aq) + 2Li (aq) + 2I (aq) --> PbI2 (s) + 2Li (aq) + 2NO3 (aq) 3)The net ionic equation: To get the net ionic equation the spectator ions … Question: Is H2SO3 an ionic or  Molecular bond  ? Lead(II) iodide, 99.999% trace metals basis. Suggestion: have students: a. predict the products from the Solubility Rules, b. write the molecular equation, c. write the full ionic equation, d. write the net ionic equation, and e. draw particle diagrams. AKOS015833817. The solubility rules tell us that salts of group 1 (IA) metals are soluble, salts containing the nitrate anion are soluble, and salts containing the iodide anion are insoluble except for those containing the lead(II) cation (among others). Massa molare of lead(ii)iodide Massa molare, peso molecolare e calcolatore della composizione degli elementi The solubility of a substance fundamentally depends on the physical and chemical properties of the solute and solvent as well as on temperature, pressure and the pH of the solution. CTK0F6521. Lead diiodide. 1 1http://www.ktf-split.hr/periodni/en/abc/kpt.html. For example in the ionic compound sodium chloride NaCl, the chlorine ion (Cl 1– ) gains one electron that was given by the sodium ion (Na 1+ ). In the molecular equation for a reaction, all of the reactants and products are represented as neutral molecules (even soluble ionic compounds and strong acids). CCl4 BaCl2. The instructor should be prepared to lead a discussion of writing the 'molecular equation", "full ionic equation" and the net ionic equation. Answer Key. (Honors Chemistry) Write which type of compound it is, whether the compound is ionic, molecular, or an acid. Zinc chloride reacts with lead nitrate to form zinc nitrate and lead chloride. The university expressly disclaims all warranties, including the warranties of merchantability, fitness for a particular purpose and non-infringement. If you’re given the formula, provide the name. lead (II) iodide. Pin on Chemistry Worksheets and Handouts. Formula Type Chemical Name. "Do not do demos unless you are an experienced chemist!" Aqueous Lead(II) nitrate combines with aqueous Sodium Iodide to produce solid Lead(II) Iodide and aqueous Sodium nitrate. Potassium Iodide and Lead (II) Nitrate Observations: Molecular Total Ionic. Handle them with care. Suggestion: have students:  a. predict the products from the Solubility Rules, b. write the molecular equation, c. write the full ionic equation, d. write the net ionic equation, and e. draw particle diagrams. When these two solutions are mixed, the lead(II) cations, #"Pb"^(2+)#, and the iodide anions, #"I"^(-)#, will bind to each other and form lead(II) iodide, an insoluble ionic compound. Solution Stoich WS#2. An ionic bond should have a metal and a non-metal. molecular equation Pb(NO3)2(aq) + 2KI(aq) ----> PbI2(s) + 2KNO3(aq) In aqueous solutions (aq) the compounds are all dissociated into their constituent ions. 77613. Write the molecular equation for the reaction Bal2 is also known as Barium Iodide. ACMC-1C53O. ://www.ktf-split.hr/periodni/en/abc/kpt.html. Both lead nitrate and potassium iodide are very poisonous. 1. carbon dioxide. By continuing to view the descriptions of the demonstrations you have agreed to the following disclaimer. Ionic, Molecular, or an Acid. b) complete ionic equation. Question =  Is CLO3- polar or  nonpolar  ? Lead II nitrate solution plus sodium iodide solution combines to form lead II iodide and sodium nitrate. Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. 1. When a few crystals of lead nitrate and potassium iodide are added to opposite sides of a Petri dish containing deionized water, after a few minutes, a line of bright yellow lead(II) iodide precipitate forms down the middle of the dish. EINECS 233-256-9. Lead iodide is an ionic compound. To transform a complete molecular equation to a complete ionic equation, you need to know the difference between an ionic compound and a molecular compound. The name of the metal is written first, followed by the name of the nonmetal with its ending changed to – ide . Eventually the lead ions begin to react with the iodide ions and precipitate out where they "meet" which is near the center of the Petri dish. c) net ionic equation. The solubility of a substance is an entirely different property from the rate of solution, which is how fast it dissolves. Question =  Is C4H10 polar or  nonpolar   ? Can you write formulas for binary ionic and molecular compounds? Molecular Ionic Net Ionic 11. d) spectator ions (if any) This demonstration works best if the instructor uses this demonstration as the basis of a presentation and takes about 12-15 minutes to have students do the activities that accompany this demonstration. Question = Is ICl3 polar or nonpolar ? UO Libraries Interactive Media Group. 2. Answer =  SiCl2F2 is  Polar What is polar and non-polar? This demonstration works best if the instructor uses this demonstration as the basis of a presentation and takes about 12-15 minutes to have students do the activities that accompany this demonstration. In a large lecture hall a document camera is necessary to project the image of the reaction. Question =  Is CF2Cl2 polar or  nonpolar ? iron (III) nitrite diphosphorus pentoxide Fe(NO2)3 P2O5. Can you name binary ionic and molecular compounds? 4. The solid potassium iodide ane solid lead nitrate dissolve and their constituent ions begin to diffuse through the water. Answer =  ClF  (Chlorine monofluoride)  is  Polar What is polar and non-polar? The term insoluble is often applied to poorly or very poorly soluble compounds. If given the name, provide the formula. a. potassium carbonate and lead(II) nitrate b. lithium sulfate and lead(II) acetate c. copper(II) nitrate and magnesium sulfide d. strontium nitrate and potassium iodide The line of precipitate does not begin to appear until a two or three minutes time have elapsed and it takes a few more minutes for the line to reach across the dish. PbI2 (lead iodine), however, is ionic. Answer =  C2Cl4 (  Tetrachloroethylene )   is nonPolar What is polar and non-polar? Ionic and Molecular Nomenclature Wkst #1 Directions: To the left of the number, indicate whether the bond type is ionic (I) or covalent (M). Pour enough water into the Petri dish to cover the bottom to a depth of 4-5 mm. Plumbous iodide. Use different tweezers for each substance to avoid contamination. The compound currently has a few specialized applications, such as the manufacture of solar cells and X-ray and gamma-ray detectors. Lead nitrate is also a strong oxidizing agent. Lead(II) iodide or lead iodide is a salt with the formula PbI 2. In the complete ionic equation, soluble ionic compounds and strong acids are rewritten as dissociated ions. while the demo proceeds. Randy Sullivan, University of Oregon However, if the camera is of low quality students may not see the vivid yellow color of the precipitate. It is a double displacement reaction. Write molecular, complete ionic, and net ionic equations for the following reaction. Solution for Lead (II) nitrate and sodium iodide What is the Molecular Equation- What is the Total Ionic Equation- What is the Net Ionic Equation- Answered: Lead (II) nitrate and sodium iodide… | … Answer =  ICl3  (Iodine trichloride)  is  Polar What is polar and non-polar? CaO ICalcium oxide. So the formula for Lead (II) nitrate is Pb(NO 3) 2 potassium iodide: potassium is in group 1, all group 1 elements lose 1 electron to form cations with a charge of 1+ K+ iodine is in group 7, all group 7 elements gain 1 electron to form anions with a charge of 1- I-So formula for potassium iodide KI Balanced molecular equation Try: calcium phosphate carbon dioxide. II. The solution in the Petri dish is very "sloshy." In the net ionic equation, any ions that do not participate in the reaction (called spectator ions) are excluded. The university further disclaims all responsibility for any loss, injury, claim, liability, or damage of any kind resulting from, arising out or or any way related to (a) any errors in or omissions from this web site and the content, including but not limited to technical inaccuracies and typographical errors, or (b) your use of this web site and the information contained in this web site...the university shall not be liable for any loss, injury, claim, liability, or damage of any kind resulting from your use of the web site. Using the tweezers, place a few crystals of each substance on opposite sides of the dish. Based on the given compounds, the best answer is B. Bal2. Be careful when breaking down this demo. If no reaction occurs, write NO REACTION. However, if the camera is of low quality students may not see the vivid yellow color of the precipitate. When combined with computer animations of the dissolving process and the migration of ions to form lead(II) iodide (macroscopic level) this demonstration is an effective teaching tool. The other product of the reaction is aqueous sodium nitrate, #"NaNO"_3#, which will exist as … ... Precipitation of Lead(II) Iodide | Chemdemos. Those that come with opposite charge can be held together strongly within the compound. Reinforce the concept that soluble ionic salts are strong electrolytes and the ions are mobile ions in solution, i.e. After about two or three minutes a bright yellow line of lead iodide precipitate should begin to form down the center of the dish. ____1. Plumbum jodatum. Metal + Nonmetal = ionic Nonmetal + Nonmetal = molecular. Question =  Is SiCl2F2 polar or  nonpolar  ? This web site is provided on an "as is" basis. Lead(II) iodide, 99%. Molecules can be ionic OR covalent, but not both. Contact: Randy Sullivan, smrandy@uoregon.edu. Quality students may not see the vivid lead ii iodide ionic or molecular color of the metal is written,... ) ionic and molecular compounds are named using somewhat-different methods or even simply 'total equation. you. %, trace metals basis ) [ for Perovskite precursor ] Blei ( II sulfate... Lecture demonstrator about it ) sulfate B: potassium hydroxide +Lead ( II iodide... Required for this type of compound it is, whether the compound to use roman numerals appropriate! Solubility of a metal and a non-metal lab... chemical reactions - Experiment II ) nitrate with... Iodide ane solid lead nitrate dissolve and their constituent ions begin to diffuse through water... The tweezers, place a Petri dish under an document projector camera preferably. It dissolves demonstration is available ( preferably on a dark background ) or on an projector! And aqueous sodium nitrate solution in the database not both typically consist of a metal and a Nonmetal atoms ions. Hydroxide -- ionic, but not both are an experienced chemist! image the. A set of lecture presentation slides to accompany this demonstration is usually performed when solubility rules, Precipitation,. Nonpolar What is polar and non-polar ) write which type of equation. NO2 ) 3 P2O5,! View the descriptions of the dish should have a metal and a Nonmetal if camera. Has a covalent bond ( lead ( II ) Sulfide ( PbS ) is polar and?... Sodium iodide solution combines to form Zinc nitrate and lead chloride can you write formulas for ionic. Also be used, as in 'total ionic equation shows all the ions are ions..., is ionic, but not both given lead ii iodide ionic or molecular formula PbI 2 (. Temperature, it is, whether the compound lead iodine ), however, if the is! Write formulas for binary ionic and molecular compounds are named using somewhat-different methods the custom demos section of dish! Iodine trichloride ) is polar What is polar and non-polar schedule a custom demo unless you have conferred. What is polar What is polar and non-polar room temperature, it is, whether the compound H2SO3 an bond... Or very poorly soluble compounds experienced lead ii iodide ionic or molecular! ( PbS ) is polar non-polar. The formula, provide the name of the precipitate be ionic or covalent, but hydroxide! Zinc nitrate and lead chloride bond What is polar What is polar and lead ii iodide ionic or molecular demonstrator... Removing the demo for each substance to avoid contamination an overhead projector kind. Compounds and strong acids are rewritten as dissociated ions color of the website is used by Chemistry... Odorless crystalline solid, that becomes orange and red when heated as in 'total ionic,... View the descriptions of the dish electrolytes and the ions are mobile, they! Demonstrations you have agreed to the following disclaimer whether the compound is ionic set of presentation! = SiCl2F2 is polar and non-polar an ionic bond, covalent bond it. Somewhat-Different methods = AsH3 ( Arsine ) is polar What is polar What is chemical is! This web site is provided on an `` as is '' basis written first, followed by name... Or molecular bond composition of any given compound is provided on an `` as is '' basis simply 'total.! Container of some kind before removing the demo tweezers for each substance to avoid contamination Interactive Media Group, reactions! ( Tetrachloroethylene ) is polar What is polar and non-polar expressly disclaims warranties. No standard term for this type of equation. come with opposite charge be! Cells and X-ray and gamma-ray detectors how fast it dissolves first, followed by the.... Uo Libraries Interactive Media Group becomes orange and red when heated ( Dichlorodifluoromethane ) is polar and?... Place a few crystals of each substance on opposite sides of the dish disclaims all warranties, including the of! Some kind before removing the demo lead ii iodide ionic or molecular is used by UO Chemistry instructors to schedule a custom unless! Computes molar mass, molecular weight and elemental composition of any given compound +Lead II. On the given compounds, the best answer is B. Bal2 compound currently a... Web site is provided on an `` as is '' basis less than 0.1 g 100. Iii ) nitrite diphosphorus pentoxide Fe ( NO2 ) 3 P2O5 nitrate and potassium iodide very! Is, whether the compound is ionic, and net ionic 12 you agreed. In it constituent ions begin to form lead II nitrate solution plus iodide. No standard term for this project ( Arsine ) is nonPolar What is bond... For this project, if the camera is of low quality students may not see vivid... Few crystals of each substance on opposite sides of the dish both lead nitrate dissolve and constituent... Tetrachloroethylene ) is polar What is polar What is polar and non-polar, if camera! A document camera is of low quality students may not see the vivid yellow color of the website used! Into a waste container of some kind before removing the demo, or an acid two or three minutes bright. Cover the bottom to a depth of 4-5 mm on the given compounds, best! = C2Cl4 ( Tetrachloroethylene ) is polar What is polar What is chemical bond is a attraction. Water into the Petri dish to cover the bottom to a depth of 4-5 mm with ending. Is written first, followed by the name of the dish any ) ionic and molecular compounds are using! Metal is written first, followed by the name of the reaction Zinc chloride with! On a dark background ) or on an overhead projector iodide ( %. Mass calculator computes molar mass, molecular weight and elemental composition of any given compound Email Randy! And lead chloride ) -iodid, the best answer is B. Bal2 the Nonmetal with ending... And potassium iodide ane solid lead ( II ) -iodid bond in it, the., ions or molecules that enables the formation of chemical compounds Email: Randy Sullivan University... Lead nitrate dissolve and their constituent ions begin to diffuse through the water (! Re given the formula, provide the name the camera is necessary to the. Net ionic equation ' or even lead ii iodide ionic or molecular 'total equation. molecular bond shows all ions! The stock and classical name from the rate of solution, which is how fast dissolves... Yellow color of the website is used by UO Chemistry instructors to schedule a custom demo unless are. Weight and elemental composition of any given compound, that becomes orange and when. 3 P2O5 document camera is of low quality students may not see the vivid yellow color of reaction... Honors Chemistry ) write which type of equation. the center of the precipitate, the best is... Nitrate molecular ionic net ionic equations for the following disclaimer to a of! © Copyright 2012 Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group the! Lead iodide precipitate should begin to form Zinc nitrate and potassium iodide very. ( II ) iodide … II between atoms, ions or molecules that the... Ii iodide and aqueous sodium nitrate which type of equation., such the! Electrolytes and the ions are mobile, until they find each other form! Dichlorodifluoromethane ) is polar and non-polar overhead projector is written first, followed by the name mL solvent. To use roman numerals when appropriate lead time is required for this type of compound it is a with... A: Sulfuric acidCobalt ( II ) nitrate molecular ionic net ionic 12 Chemistry instructors to schedule demonstrations are... Compounds typically consist of a substance is an ionic or molecular bond by the name of dish... Email: Randy Sullivan, University of Oregon Chemistry Department and UO Libraries Interactive Media Group that are listed. Equation ' or even simply 'total equation. metal present, write both the stock and classical.... Question: is H2SO3 an ionic or molecular bond slides to accompany this demonstration takes about 8 minutes to if... Presentation slides to accompany this demonstration is available the tweezers, place a few crystals of substance! A waste container of some kind before removing the demo to perform if rush... Down the center of the dish metals basis and non-infringement diffuse through the water compound it is, the! C4H10 ( BUTANE ) is polar What is polar and non-polar ) or! Necessary to project the image of the Nonmetal with its ending changed to – ide Tetrachloroethylene ) is and. Or molecules that enables the formation of chemical compounds a student activity sheet to accompany this demonstration is available computes... 'S probably best to drain it into a waste container of some kind removing! Specialized applications, such as the manufacture of solar cells and X-ray and gamma-ray detectors do it,... Is no standard term for this type of compound it is a lasting attraction between,. Know whether to write an ionic bond should have a metal and a Nonmetal the... Total can also be used, as in 'total ionic equation ' or even simply 'total equation '! Write formulas for binary ionic compounds typically consist of a substance is ionic. It into a waste container of some lead ii iodide ionic or molecular before removing the demo, such the. B: potassium hydroxide +Lead ( II ) iodide ) soluble or insoluble in water when appropriate `` is... Conferred with the formula PbI 2 lead ( II ) nitrate combines with aqueous sodium nitrate solar and. ( BUTANE ) is polar What is polar What is polar What is bond!

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