The Boiling Point of Alcohol

The boiling point of alcohol depends on which type of alcohol youre using, as well as the atmospheric pressure. The boiling point decreases as atmospheric pressure decreases, so it will be slightly lower unless you are at sea level. Here is a look at the boiling point of different types of alcohol. The boiling point of ethanol or grain alcohol (C2H5OH) at atmospheric pressure (14.7 psia, 1 bar absolute) is 173.1 F (78.37 C). Methanol (methyl alcohol, wood alcohol): 66 °C or 151 °FIsopropyl Alcohol (isopropanol): 80.3 °C or 177 °F Implications of Different Boiling Points One practical application of the different boiling points of alcohols and of alcohol with respect to water and other liquids is that it can be used to separate them using distillation. In the process of distillation, a liquid is carefully heated so more volatile compounds boil away. They may be collected, as a method of distilling alcohol, or the method may be used to purify the original liquid by removing compounds with a lower boiling point. Different types of alcohol have different boiling points, so this can be used to separate them from each other and from other organic compounds. Distillation may also be used to separate alcohol and water. The boiling point of water is 212 F or 100 C, which is higher than that of alcohol. However, distillation cant be used to fully separate the two chemicals. The Myth About Cooking Alcohol out of Food Many people believe alcohol added during the cooking process boils away, adding flavor without retaining alcohol. While it makes sense cooking food above 173 F or  78 C would drive off the alcohol and leave the water, scientists at the University of Idaho Department of Agriculture  have measured the amount of alcohol remaining in foods and found most cooking methods dont actually affect the alcohol content as much as you might think. The highest amount of alcohol remains when alcohol is added to boiling liquid and then removed from heat. About 85 percent of the alcohol remained.Flaming the liquid to burn off the alcohol still allowed for 75 percent retention.Storing food containing alcohol overnight with no heat applied resulted in 70 percent retention. Here, the loss of alcohol occurred because it has a higher vapor pressure than water, so some of it evaporated.Baking a recipe containing alcohol resulted in alcohol retention ranging from 25  percent (1 hour baking time) to 45 percent (25 minutes, no stirring). A recipe had to be baked 2 hours or longer to bring the alcohol content down to 10  percent or lower. Why cant you cook the  alcohol out of food? The reason is that alcohol and water bind to each other, forming an azeotrope. The components of the mixture cant be easily separated using heat. This is also why distillation isnt sufficient to get 100  percent or absolute alcohol. The only way to completely remove alcohol from a liquid is to boil it away completely or allow it to evaporate until its dry.

Analysis Of The Movie Santa - 1725 Words

Do you know why parents let their kids believe in Santa and they never want to tell them that Santa isn’t real? Because Santa represents hope and something anyone can believe. Imagine having to break that illusion to an innocent little kid who sits there at the Christmas tree with the milk and cookies, waiting for Santa to show up. Do you want your kid to find out Santa isn’t real or do you hope they continue to believe that he’s real? I was by myself for Christmas and I never felt more depressed than at that moment. I sat up in my room crying and asking Santa to make my Christmas better. I was so desperate for everything to be okay that I asked a fictional character to make things normal again. Santa didn’t come, and that was that. All†¦show more content†¦Ã¢â‚¬Å"Hey dad, how I was work?† I asked. â€Å"It was fine.† He answered, but it seemed like he wasn’t even paying attention. â€Å"Is something wrong dad?† I asked. My dad chose not to answer me and just focus on the laptop that was in front of him. All he did for an hour was sit at the table with his laptop and stared at it. I thought it was weird for him to be acting like this, but I didn’t think much of it because I thought that he was doing stuff for work. After a couple of minutes I left my dad alone to go see what my mom was up to and I saw that she looked upset too. â€Å"Hey mom, are you okay? Why is dad acting weird too?† I asked her, but she went from being upset to yelling at me to get out of her way. I thought she was being a bitch at the time, but I thought she was stressed out about all the family members coming over to the house. I tried giving my parents, their space until the rest of my fami ly showed up so I just went to my room to relax. After an hour I started to hear screaming and yelling coming from the halls. I came out of my room to see where the yelling was coming from and it turned out it was coming from my parents’ room. At this point, I knew something bad was happening. When I continued to hear yelling coming from my parents’ room, I tried to drown it out because my parents were always fighting so it wasn’t anything new to me. At that point, hearing my parents fight was a normal thing. When my parentsShow MoreRelatedThe Discovery Of The Staircase1555 Words   |  7 Pagesof Loretto in Santa Fe, New Mexico offers mystery through the unknown and unexplainable questions that have risen throughout the years regarding the stair cases history and religious background. The mixture between the unanswered questions concerning the history of the staircase and its baffling architecture captured through photography throughout the years cause the stair case to be a focal point of many curious tourist minds in Santa Fe. 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Describe a Few of the Interesting Characters in Your Class free essay sample

My class is full of wonderful characters that make all of us cheerful to study. There are twenty-two students in my class and only seven of them are boys. Our form teacher is Encik Azmi bin Nusi. We have a wonderful monitor who does every job given to her responsibly. She is Uma Devi a/p Nagiah and she never complains about doing jobs without an assistant. Most of the students are Malays. There are only four Indian girls and four Chinese students. Our class is one of the noisiest class because of the interesting characters we have. Uma Devi is chosen to be our monitor mainly because of her gutsiness to confront some of the rebellious students who are usually Azizi and Amin in our class. Were the students agreed? They definitely were. Hardly any objection was voiced to choose Uma as the monitor. With 170 centimetres tall and a loud voice that can crack any dreams, she is the perfect choice. Although this Indian girl is very strict, she also has a good sense of humour. That is why many of us cannot despise her for a long time. Moreover, she is very pretty with two long braided black hair and a smile, which is not very often she does. She seldom smile but when she does, it is just like a sun shining after down pouring rain. We will always feel very glad and relieved to see her smile. Her seriousness in doing her job is commendable and she is helpful too, to get a new dateline for our homeworks from the teacher. Due to that, we always admire and respect her. Describing the interesting characters in my class, I find it difficult to leave Rosmaliza behind. She is a very peculiar and interesting girl in our class. She is only 155 centimetres tall but she was slim with beautiful features. The sleepyhead in our class? She definitely is the one and only. We could not stop laughing when thinking about her embarrassing situations in our class. There was a time when Mr. Ling, our Additional Mathematics teacher was teaching in our class and dear Rosmaliza was sleeping. Mr. Ling noticed she was asleep and called out her name to wake her up and she did wake up. Waking up and mumbling incoherently, she suddenly stood up and towards the blackboard, thinking that Mr. Ling wanted her to complete some questions on the board. After some awkward silence, she returned to her seat looking red all over. All the classmates burst out laughing at her act. But she remained impassive, although her red face revealed what she felt. Another thing that we find funny is the way she laughed. It was loud and sounded like a cackle. That is so unforgettable and can be said as her ‘trademark’. The other character in my class that I found interesting is Fozie. He is quite a humorist with the loyal companion, Ja’far. Fozie is very funny and he could cause a hullaballoo with his spontaneous jokes. He is 162 centimetres tall and has a cute, mischievous face. However, he does not get into a lot of trouble with his mischief. He is quite adorable because of his helpfulness and politeness. He is surely the best guy in our class. Another thing that we found amazing about him is the way he mesmerized school’s juniors. Many students, especially girls from lower form adore and admire him. The reason? Maybe it simply because of his friendliness and some cute bangs over his forehead. However, he is a reliable guy that we could depend on to please some teachers whenever some of them are angry. All that I can conclude from these interesting characters is that they are wonderful to be with. Although some of them are weird, but the difference can only add up the speciality. Plus, they definitely bring colours of joy and mischief in our world as a student. Life in school would simply be so boring without them.