How long does it take a human body to decompose completely?
Q. How long does it take a human body to decompose completely, leaving no biological traces? For detailing purposes, the human body is male, average human height and weight, and is decomposing on top of the earth in an environment similar to that of the outskirts of Las Vegas. This is purely a hypothetical question that I find interesting.
Asked by Peter - Tue Oct 21 05:04:52 2008 - - 4 Answers - 0 Comments
A. There is a research facility somewhere in the States where they leave bodies in various states, ie above ground, above ground wrapped in plastic, below ground etc and try different conditions, i would imagine there must be a lot of variables that have an influence
Answered by adrian p - Tue Oct 21 06:11:08 2008
Q. How long does it take a human body to decompose completely, leaving no biological traces? For detailing purposes, the human body is male, average human height and weight, and is decomposing on top of the earth in an environment similar to that of the outskirts of Las Vegas. This is purely a hypothetical question that I find interesting.
Asked by Peter - Tue Oct 21 05:04:52 2008 - - 4 Answers - 0 Comments
A. There is a research facility somewhere in the States where they leave bodies in various states, ie above ground, above ground wrapped in plastic, below ground etc and try different conditions, i would imagine there must be a lot of variables that have an influence
Answered by adrian p - Tue Oct 21 06:11:08 2008
What determines that a compound will decompose from heat?
Q. Why is it that potassium hydroxide (KOH) will not decompose when heated, but potassium nitrate (KNO3) will? I thought it just had to do with the reactivity of the metal?
Asked by MsSunshine - Tue May 6 23:21:52 2008 - - 2 Answers - 0 Comments
A. KOH will decompose when heated, as will potassium nitrate. 2 KOH --heat--> K2O(s) + H2O(g) KNO3 melts right away, decomposes and gives of O2. The resulting KNO2 decomposes at a high temperature. 2 KNO3 --heat--> 2 KNO2(l) + O2(g) 2 KNO2 --heat--> K2O(s) + N2O3(g) In the case of KOH decomposition occurs at the O-H bond, and in KNO3, at the N-O bond.
Answered by pisgahchemist - Wed May 7 00:09:11 2008
Q. Why is it that potassium hydroxide (KOH) will not decompose when heated, but potassium nitrate (KNO3) will? I thought it just had to do with the reactivity of the metal?
Asked by MsSunshine - Tue May 6 23:21:52 2008 - - 2 Answers - 0 Comments
A. KOH will decompose when heated, as will potassium nitrate. 2 KOH --heat--> K2O(s) + H2O(g) KNO3 melts right away, decomposes and gives of O2. The resulting KNO2 decomposes at a high temperature. 2 KNO3 --heat--> 2 KNO2(l) + O2(g) 2 KNO2 --heat--> K2O(s) + N2O3(g) In the case of KOH decomposition occurs at the O-H bond, and in KNO3, at the N-O bond.
Answered by pisgahchemist - Wed May 7 00:09:11 2008
How long does it take for your body to decompose after death?
Q. I want it know how long it takes for your body to start to decompose after death if not refridgerated. Because My mother died and all the autopsy report says is that her body was found January 31st. It says in the autopsy report that parts of her (like the lining of her stomach) were starting to decompose. I just want to have an idea of when she really died.
Asked by butterflies - Wed Jun 6 17:44:41 2007 - - 9 Answers - 0 Comments
A. Decomposition begins immediately, but the rate depends on a number of things, including the temperature. It sounds like your mother's decomposition was not very advanced, so I'd say not more than 48 hours, tops.
Answered by TG - Wed Jun 6 17:49:29 2007
Q. I want it know how long it takes for your body to start to decompose after death if not refridgerated. Because My mother died and all the autopsy report says is that her body was found January 31st. It says in the autopsy report that parts of her (like the lining of her stomach) were starting to decompose. I just want to have an idea of when she really died.
Asked by butterflies - Wed Jun 6 17:44:41 2007 - - 9 Answers - 0 Comments
A. Decomposition begins immediately, but the rate depends on a number of things, including the temperature. It sounds like your mother's decomposition was not very advanced, so I'd say not more than 48 hours, tops.
Answered by TG - Wed Jun 6 17:49:29 2007
How long does it take for plastic to decompose in a landfill?
Q. How long does it take to have a plastic bottle decompose? I need to know for my science exit project.
Asked by Allie - Sun Apr 27 17:22:35 2008 - - 2 Answers - 0 Comments
A. It actually takes about one thousand years to decompose.
Answered by -- - Mon Apr 28 19:26:28 2008
Q. How long does it take to have a plastic bottle decompose? I need to know for my science exit project.
Asked by Allie - Sun Apr 27 17:22:35 2008 - - 2 Answers - 0 Comments
A. It actually takes about one thousand years to decompose.
Answered by -- - Mon Apr 28 19:26:28 2008
How long does it take for feces to decompose?
Q. Not to be disgusting but I'm weighing in on the cost benefit of leaving my dog's waste to naturally decompose on (non pedestrian area) grass versus wasting paper and plastic to remove a "natural byproduct". Thank you!
Asked by volkswagen8 - Sun Jun 24 17:38:57 2007 - - 5 Answers - 1 Comments
A. Too long to leave on a lawn that others may use.
Answered by Mike - Sun Jun 24 19:08:16 2007
Q. Not to be disgusting but I'm weighing in on the cost benefit of leaving my dog's waste to naturally decompose on (non pedestrian area) grass versus wasting paper and plastic to remove a "natural byproduct". Thank you!
Asked by volkswagen8 - Sun Jun 24 17:38:57 2007 - - 5 Answers - 1 Comments
A. Too long to leave on a lawn that others may use.
Answered by Mike - Sun Jun 24 19:08:16 2007
How long does it take for an average human body to begin to decompose?
Q. If an average human being dies, how long will it take before the unpreserved corpse begins to decompose, and how long does the proces of decomposing take?
Asked by eefik2005 - Wed Mar 1 06:06:25 2006 - - 2 Answers - 0 Comments
A. an average human being start to decompose after 24-48 hours once the ATP supply of the muscles are depleted and the body begings to get rigor mortis. the time of decomposition greatly varies with where the body is lying and in which condition along with physical factors like temperature,humidity etc.
Answered by Abhishek - Wed Mar 1 11:34:46 2006
Q. If an average human being dies, how long will it take before the unpreserved corpse begins to decompose, and how long does the proces of decomposing take?
Asked by eefik2005 - Wed Mar 1 06:06:25 2006 - - 2 Answers - 0 Comments
A. an average human being start to decompose after 24-48 hours once the ATP supply of the muscles are depleted and the body begings to get rigor mortis. the time of decomposition greatly varies with where the body is lying and in which condition along with physical factors like temperature,humidity etc.
Answered by Abhishek - Wed Mar 1 11:34:46 2006
What do you use to make grass and tree branches decompose faster?
Q. I have a pile of these stuff on my backyard and I heard that you can use this decompose substance to help break down these stuffs faster? What is it called and where could I buy it? Thanks for those who answer my questions in advance. I don't think fire will work Nate. Thanks you Ishtar.
Asked by Horpe - Sun Jun 21 00:10:08 2009 - - 8 Answers - 0 Comments
A. Blood and bone fertilizer works wonders.
Answered by Ella - Sun Jun 21 04:37:27 2009
Q. I have a pile of these stuff on my backyard and I heard that you can use this decompose substance to help break down these stuffs faster? What is it called and where could I buy it? Thanks for those who answer my questions in advance. I don't think fire will work Nate. Thanks you Ishtar.
Asked by Horpe - Sun Jun 21 00:10:08 2009 - - 8 Answers - 0 Comments
A. Blood and bone fertilizer works wonders.
Answered by Ella - Sun Jun 21 04:37:27 2009
Which pigments in leaves are most sensitive to cold and tend to decompose when the temperature falls?
Q. Which pigments in leaves are most sensitive to cold and tend to decompose when the temperature falls?
Asked by SR - Thu Nov 29 10:38:57 2007 - - 2 Answers - 0 Comments
A. Chlorophyll. Chlorophyll is the green pigment molecule responsible for photosynthesis. When temperatures drop, the chlorophyll denatures, revealing the other pigment molecules present in the leaf.
Answered by Laura - Thu Nov 29 10:49:35 2007
Q. Which pigments in leaves are most sensitive to cold and tend to decompose when the temperature falls?
Asked by SR - Thu Nov 29 10:38:57 2007 - - 2 Answers - 0 Comments
A. Chlorophyll. Chlorophyll is the green pigment molecule responsible for photosynthesis. When temperatures drop, the chlorophyll denatures, revealing the other pigment molecules present in the leaf.
Answered by Laura - Thu Nov 29 10:49:35 2007
How long does it take for paper to decompose?
Q. I put a bunch of paper in the toilet(to be exact the entire comics) how long should it take to decompose ive tried rid-x but it dsnt wurk its been 2 days Help! -Thanks
Asked by 32 chararacters - Wed Jul 15 22:04:29 2009 - - 1 Answers - 0 Comments
A. according to the bureue of land management it takes 2 to 4 weeks here is a link you can see for yourself www.mothersfightingforoth ers.com/answers-how-long- does-it-take-to-biodegrad e.htm
Answered by Candi - Fri Jul 17 19:46:33 2009
Q. I put a bunch of paper in the toilet(to be exact the entire comics) how long should it take to decompose ive tried rid-x but it dsnt wurk its been 2 days Help! -Thanks
Asked by 32 chararacters - Wed Jul 15 22:04:29 2009 - - 1 Answers - 0 Comments
A. according to the bureue of land management it takes 2 to 4 weeks here is a link you can see for yourself www.mothersfightingforoth ers.com/answers-how-long- does-it-take-to-biodegrad e.htm
Answered by Candi - Fri Jul 17 19:46:33 2009
How long for a dead body to completly decompose?
Q. How long/months/years does it take for a human body to completly decompose in a grave where only the bones will be left?
Asked by Michael Jackson 1958 - FOREVER - Tue Mar 13 10:32:18 2007 - - 3 Answers - 0 Comments
A. Why do you want to know hmmm?? lol j/k
Answered by xxcrayzee_69xx - Tue Mar 13 10:41:57 2007
Q. How long/months/years does it take for a human body to completly decompose in a grave where only the bones will be left?
Asked by Michael Jackson 1958 - FOREVER - Tue Mar 13 10:32:18 2007 - - 3 Answers - 0 Comments
A. Why do you want to know hmmm?? lol j/k
Answered by xxcrayzee_69xx - Tue Mar 13 10:41:57 2007
If you just buried a banana peel in your vegetable garden, would it decompose?
Q. If you just buried a banana peel, apple core, the center of the corn cob, orange peels and etc in a vegetable garden, would it decompose? How long would it take to decompose? Would it start to smell bad and attract more bugs than there already is?
Asked by G - Sat May 10 18:14:07 2008 - - 3 Answers - 0 Comments
A. Of course it would decompose... otherwise there would be banana skins and other bits of vegetables lying all over the place. The time it takes to decompose depends on lots of things... temperature, humidity, what else is in the ground with it... anything from a few months to a year. I would suggest, however, that rather than just burying the bits and pieces you place them in a composter. You then have better control of the waste and can speed up the decomposition process by adding layers of cardboard and leaves.
Answered by DIANE R - Sat May 10 18:21:43 2008
Q. If you just buried a banana peel, apple core, the center of the corn cob, orange peels and etc in a vegetable garden, would it decompose? How long would it take to decompose? Would it start to smell bad and attract more bugs than there already is?
Asked by G - Sat May 10 18:14:07 2008 - - 3 Answers - 0 Comments
A. Of course it would decompose... otherwise there would be banana skins and other bits of vegetables lying all over the place. The time it takes to decompose depends on lots of things... temperature, humidity, what else is in the ground with it... anything from a few months to a year. I would suggest, however, that rather than just burying the bits and pieces you place them in a composter. You then have better control of the waste and can speed up the decomposition process by adding layers of cardboard and leaves.
Answered by DIANE R - Sat May 10 18:21:43 2008
What can I do to decompose human feces?
Q. Could someone please provide me a link or something? Tell me of some chemical,bacteria or substance to use? Please, I've heard powdered lime works, but I don't how time it takes to decompose it.
Asked by Another Nickname - Thu Mar 26 10:14:01 2009 - - 1 Answers - 0 Comments
A. Pee on it.
Answered by H z - Mon Mar 30 09:07:49 2009
Q. Could someone please provide me a link or something? Tell me of some chemical,bacteria or substance to use? Please, I've heard powdered lime works, but I don't how time it takes to decompose it.
Asked by Another Nickname - Thu Mar 26 10:14:01 2009 - - 1 Answers - 0 Comments
A. Pee on it.
Answered by H z - Mon Mar 30 09:07:49 2009
How long does it take for a compound to decompose?
Q. Benzene diazonium chloride, C6H5NNCl, decomposes by a first-order rate law. C6H5NNCl C6H5Cl + N2(g) If the rate constant at 20 C is 4.3 10-5/s, how long will it take for 59% of the compound to decompose?
Asked by MG - Mon Oct 27 22:53:36 2008 - - 1 Answers - 0 Comments
A. The first order rate law in integrated form is: C/Co = e^-kt, where C is the amount of reagent remaining at any time t, and C=Co when t=0. Then the equation becomes 0.41 = e^-(4.3x10-5 t) Since e^-1 is about 0.39, then the exponent is slightly less, and t is about 2x10^4 sec.
Answered by cattbarf - Mon Oct 27 23:02:01 2008
Q. Benzene diazonium chloride, C6H5NNCl, decomposes by a first-order rate law. C6H5NNCl C6H5Cl + N2(g) If the rate constant at 20 C is 4.3 10-5/s, how long will it take for 59% of the compound to decompose?
Asked by MG - Mon Oct 27 22:53:36 2008 - - 1 Answers - 0 Comments
A. The first order rate law in integrated form is: C/Co = e^-kt, where C is the amount of reagent remaining at any time t, and C=Co when t=0. Then the equation becomes 0.41 = e^-(4.3x10-5 t) Since e^-1 is about 0.39, then the exponent is slightly less, and t is about 2x10^4 sec.
Answered by cattbarf - Mon Oct 27 23:02:01 2008
About how fast does an embalmed body decompose?
Q. I am not trying to be morbid, but someone I was talking with said that an embalmed body does not decompose, that there are bodies exhumed after over 100 years and they are still preserved. Others say it just slows down the decomposition. What is true?
Asked by El Hombre de los Libros - Thu Mar 4 11:43:19 2010 - - 2 Answers - 0 Comments
A. I heard of a civil rights leader that was murdered back in the 1960's. He was embalmed, and 30 years after his death he was exhumed. It was reported that he looked fine, changing little from when he was first put in there. So with someone lasting over 100 years, I think your story isn't too far fetched. I heard that embalming fluid contains liquids such as methanol, ethanol, and formaldehyde. These are toxic poisons, and they can kill any germ that causes someone to decompose. It is also important that they are kept in a cool dry place that is also airtight. Heat and moisture can do terrible things to a body. I don't think that embalming someone stops decomposition completely, but I do think it can slow it down quite dramatically. … [cont.]
Answered by Agent WD-40 - Thu Mar 4 12:21:03 2010
Q. I am not trying to be morbid, but someone I was talking with said that an embalmed body does not decompose, that there are bodies exhumed after over 100 years and they are still preserved. Others say it just slows down the decomposition. What is true?
Asked by El Hombre de los Libros - Thu Mar 4 11:43:19 2010 - - 2 Answers - 0 Comments
A. I heard of a civil rights leader that was murdered back in the 1960's. He was embalmed, and 30 years after his death he was exhumed. It was reported that he looked fine, changing little from when he was first put in there. So with someone lasting over 100 years, I think your story isn't too far fetched. I heard that embalming fluid contains liquids such as methanol, ethanol, and formaldehyde. These are toxic poisons, and they can kill any germ that causes someone to decompose. It is also important that they are kept in a cool dry place that is also airtight. Heat and moisture can do terrible things to a body. I don't think that embalming someone stops decomposition completely, but I do think it can slow it down quite dramatically. … [cont.]
Answered by Agent WD-40 - Thu Mar 4 12:21:03 2010
How long would it take for a human body to decompose?
Q. Hi, at school we are doing a global warming campaign. Me and two friends are making a short film that is aimed at kids. SO we are going to talk about plastic bags and explian how long they'll last on earth and say for example "Thats longer than a human body to decompose!" but I want to have my facts straight first! Thank you so much and i hope you dont think im crazy for asking a question like this =]
Asked by xXx-Megan-xXx - Tue Mar 11 01:52:40 2008 - - 3 Answers - 0 Comments
A. an average human being start to decompose after 24-48 hours once the ATP supply of the muscles are depleted and the body begings to get rigor mortis. the time of decomposition greatly varies with where the body is lying and in which condition along with physical factors like temperature,humidity etc
Answered by The Stallion - Tue Mar 11 02:01:51 2008
Q. Hi, at school we are doing a global warming campaign. Me and two friends are making a short film that is aimed at kids. SO we are going to talk about plastic bags and explian how long they'll last on earth and say for example "Thats longer than a human body to decompose!" but I want to have my facts straight first! Thank you so much and i hope you dont think im crazy for asking a question like this =]
Asked by xXx-Megan-xXx - Tue Mar 11 01:52:40 2008 - - 3 Answers - 0 Comments
A. an average human being start to decompose after 24-48 hours once the ATP supply of the muscles are depleted and the body begings to get rigor mortis. the time of decomposition greatly varies with where the body is lying and in which condition along with physical factors like temperature,humidity etc
Answered by The Stallion - Tue Mar 11 02:01:51 2008
How long will it take for 99.9% of a sample of the radioactive nuclide 95Zr to decompose?
Q. How long will it take for 99.9% of a sample of the radioactive nuclide 95Zr to decompose?
Asked by Khalid A - Mon Jul 20 13:36:37 2009 - - 1 Answers - 0 Comments
A. Zr-95 has a half-life of 65 days. The decay equation is N[t] = N[0] exp{-0.6931t/T} where N[t] is the number of nuclei at time t, N[0] is the initial number of nuclei and T is the half-life. If 99.9% decays, 0.1% remains 0.001N[0] = N[0].exp{-0.6931t/65} ln(0.001) = -0.6931t/65 t = 65.ln(0.001)/-0.6931 = 647.8 days
Answered by Retsum - Mon Jul 20 13:54:19 2009
Q. How long will it take for 99.9% of a sample of the radioactive nuclide 95Zr to decompose?
Asked by Khalid A - Mon Jul 20 13:36:37 2009 - - 1 Answers - 0 Comments
A. Zr-95 has a half-life of 65 days. The decay equation is N[t] = N[0] exp{-0.6931t/T} where N[t] is the number of nuclei at time t, N[0] is the initial number of nuclei and T is the half-life. If 99.9% decays, 0.1% remains 0.001N[0] = N[0].exp{-0.6931t/65} ln(0.001) = -0.6931t/65 t = 65.ln(0.001)/-0.6931 = 647.8 days
Answered by Retsum - Mon Jul 20 13:54:19 2009
How long would it take this cat to decompose?
Q. This cat is in a Walmart bag in a barn. How long do you think it would take the cat to decompose all the way down to the bones and what could I do to speed up the decomposition without burying it. I plan on making something for my anatomy class in case you wanted to know. Thanks in advance. 1. What happens if I leave it in the bag 2. No I did not kill it, hahaha
Asked by Jeremiah C - Sat May 24 20:21:14 2008 - - 5 Answers - 0 Comments
A. Leave it out for maggots to get to, not in the bag or you'll have a soupy nasty mess pretty fast. Manual defleshing works too, remove as much hide, muscles, organs, and other stuff as possible. After most of the flesh is gone boil the bones for a while. Don't simmer too long or the bones go soft. Or here is a nifty online guide:
Answered by Chicken in Black - Sun May 25 00:12:04 2008
Q. This cat is in a Walmart bag in a barn. How long do you think it would take the cat to decompose all the way down to the bones and what could I do to speed up the decomposition without burying it. I plan on making something for my anatomy class in case you wanted to know. Thanks in advance. 1. What happens if I leave it in the bag 2. No I did not kill it, hahaha
Asked by Jeremiah C - Sat May 24 20:21:14 2008 - - 5 Answers - 0 Comments
A. Leave it out for maggots to get to, not in the bag or you'll have a soupy nasty mess pretty fast. Manual defleshing works too, remove as much hide, muscles, organs, and other stuff as possible. After most of the flesh is gone boil the bones for a while. Don't simmer too long or the bones go soft. Or here is a nifty online guide:
Answered by Chicken in Black - Sun May 25 00:12:04 2008
How long would it take to COMPLETELY decompose?
Q. How long does it take for a furry animal the size of a small cat buried under the earth (organic soil) 1 foot (30 cms) from surface to completely decay and decompose to bones? I am asking about muscle and skin decomposition and not bone decomposition. The atmosphere humidity is about 70%. Atmosphere temperature is 34 deg Celsius during day and 25 deg Celsius during night. Will watering the soil that the animal is buried in help speed up the decomposition. Thank you in advance for your answer
Asked by Inquisitive - Mon Apr 2 02:30:09 2007 - - 4 Answers - 0 Comments
A. less than 6 months keep some leaves ,(mulch) over the ground this encourages the worms ,keeps the ground humid and retains ground temperature . the worms and the humidity (which promotes micr organisms) make short work of a dead body
Answered by byderule - Mon Apr 2 17:35:16 2007
Q. How long does it take for a furry animal the size of a small cat buried under the earth (organic soil) 1 foot (30 cms) from surface to completely decay and decompose to bones? I am asking about muscle and skin decomposition and not bone decomposition. The atmosphere humidity is about 70%. Atmosphere temperature is 34 deg Celsius during day and 25 deg Celsius during night. Will watering the soil that the animal is buried in help speed up the decomposition. Thank you in advance for your answer
Asked by Inquisitive - Mon Apr 2 02:30:09 2007 - - 4 Answers - 0 Comments
A. less than 6 months keep some leaves ,(mulch) over the ground this encourages the worms ,keeps the ground humid and retains ground temperature . the worms and the humidity (which promotes micr organisms) make short work of a dead body
Answered by byderule - Mon Apr 2 17:35:16 2007
Is my snail dead, and how long does it take for a snail body to decompose when they die?
Q. I have a water snail, and I think he might be dead. At first he was fine, we had him for 2 years, and then he just stayed in 1 spot on the glass. It looked like he was sleeping. I thought he was lonely, because he was without a fish for a while. We bought the fish, then he went into his shell and wouldn't come out. His body is still there, but i don't know how long it takes for a body to decompose. How long does it take, and is he dead?
Asked by pet lover - Wed Jul 1 16:02:51 2009 - - 3 Answers - 0 Comments
A. It is sometimes hard to tell if Apple Snails are dead. If it is in the same place for several days, and part of it is hanging out of its shell, it is probably dead. Decomposition will depend on your aquarium. If you have fish or other snails, they will probably eat him before he has a chance to decompose. If you do not have fish, it would depend on your water chemistry, but I would think a few weeks at most. - -
Answered by Jeff - Wed Jul 1 16:18:24 2009
Q. I have a water snail, and I think he might be dead. At first he was fine, we had him for 2 years, and then he just stayed in 1 spot on the glass. It looked like he was sleeping. I thought he was lonely, because he was without a fish for a while. We bought the fish, then he went into his shell and wouldn't come out. His body is still there, but i don't know how long it takes for a body to decompose. How long does it take, and is he dead?
Asked by pet lover - Wed Jul 1 16:02:51 2009 - - 3 Answers - 0 Comments
A. It is sometimes hard to tell if Apple Snails are dead. If it is in the same place for several days, and part of it is hanging out of its shell, it is probably dead. Decomposition will depend on your aquarium. If you have fish or other snails, they will probably eat him before he has a chance to decompose. If you do not have fish, it would depend on your water chemistry, but I would think a few weeks at most. - -
Answered by Jeff - Wed Jul 1 16:18:24 2009
How much energy is required to decompose 765 g of PCl3, according to the reaction below? The molar mass of PCl?
Q. How much energy is required to decompose 765 g of PCl3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful. 4 PCl3(g) P4(s) + 6 Cl2(g) DH rxn = +1207 kJ
Asked by jb - Tue Sep 15 11:50:21 2009 - - 1 Answers - 0 Comments
A. moles PCl3 = 765 / 137.32 =5.57 energy needed to decompose 4 moles PCl3 = 1270 kJ 4 : 1270 = 5.57 : x x = energy needed to decompose 5.57 moles = 5.57 x 1270/4=1769 kJ
Answered by Dr.A - Tue Sep 15 12:55:08 2009
Q. How much energy is required to decompose 765 g of PCl3, according to the reaction below? The molar mass of PCl3 is 137.32 g/mol and may be useful. 4 PCl3(g) P4(s) + 6 Cl2(g) DH rxn = +1207 kJ
Asked by jb - Tue Sep 15 11:50:21 2009 - - 1 Answers - 0 Comments
A. moles PCl3 = 765 / 137.32 =5.57 energy needed to decompose 4 moles PCl3 = 1270 kJ 4 : 1270 = 5.57 : x x = energy needed to decompose 5.57 moles = 5.57 x 1270/4=1769 kJ
Answered by Dr.A - Tue Sep 15 12:55:08 2009
From Yahoo Answer Search: 'decompose'
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