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Christina
10/7/2023
Biology
Water and It’s Unique Properties
Water's unique properties and their impact on life and the environment
• Polarity of water and its effects on molecular interactions
• High specific heat capacity regulates temperature in organisms and ecosystems
• Cohesion, adhesion, and surface tension enable vital biological processes
• Universal solvent properties facilitate transport of nutrients and chemicals
• Hydrogen bonding gives water its distinctive characteristics
10/7/2023
136
This page delves into the various properties of water that arise from its polar nature. These properties include cohesion, adhesion, capillary action, and density.
Definition: Cohesion refers to water molecules sticking to each other through hydrogen bonding, while adhesion is the ability of water to stick to other surfaces.
Cohesion and adhesion are responsible for important phenomena such as surface tension and the formation of meniscuses. These properties play crucial roles in biological processes.
Example: Capillary action, which allows water to move through small spaces and defy gravity, is essential for transpiration in plants.
The density of water is affected by temperature due to the behavior of hydrogen bonds. Cold water is denser because hydrogen bonds condense, while hot water is less dense as the bonds expand.
Highlight: Ice floating on water acts as an insulator, protecting aquatic life in freezing conditions.
Understanding water polarity and its effects is key to comprehending how water interacts with other substances and supports life processes.
This page explores water's role as a universal solvent, its pH properties, and its high specific heat capacity. These characteristics are fundamental to water's importance in biological and environmental systems.
Definition: Solubility is the ability of a substance to dissolve in a solvent. Water's polarity makes it an excellent solvent for many polar substances.
Water's ability to dissolve various substances is crucial for transporting chemicals and nutrients in living organisms and ecosystems.
Vocabulary: pH is a measure of acidity or basicity, with 7 being neutral, below 7 acidic, and above 7 basic.
Water's high specific heat capacity is a critical property that impacts both living organisms and the environment. This characteristic allows water to absorb or release large amounts of heat with minimal temperature change.
Highlight: Water's high specific heat capacity helps maintain homeostasis in organisms and regulates Earth's temperature.
The page also discusses the difference between polar and non-polar molecules, which is essential for understanding molecular interactions in biological systems.
Example: Oxygen atoms in water have a charge, contributing to water's polar nature and its ability to form hydrogen bonds.
This final page focuses on hydrogen bonding in water molecules and the water cycle, illustrating how water's unique properties influence global processes.
Definition: A hydrogen bond is an attraction between two atoms already participating in other chemical bonds, typically involving a hydrogen atom and an electronegative atom.
Hydrogen bonds, although weak, are crucial for water's unique properties and its role in biological systems.
Highlight: Hydrogen bonds in water molecules are easily broken and reformed, contributing to water's fluidity and its ability to absorb and release heat.
The water cycle demonstrates how water's properties enable its movement and transformation throughout the environment. Key processes include precipitation, infiltration, evaporation, and transpiration.
Example: Transpiration, the movement of water through plants, is facilitated by water's cohesive and adhesive properties.
Understanding the water cycle is essential for comprehending global water distribution, climate regulation, and ecosystem functioning.
Vocabulary: Precipitation refers to water falling to Earth in various forms such as rain, snow, or hail.
This page emphasizes how water's high specific heat capacity impacts the environment, influencing climate regulation and seasonal temperature variations.
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Carbon Cycle Notes
diagram of Carbon Cycle and how it relates in the real world. Explains greenhouse effect and disruption in the carbon cycle
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9th/10th
Prokaryotic cells VS. Eukaryotic cells
The differences between prokaryotic and eukaryotic cells are in the notes. so are the meaning of the words. The colors I used don’t mean anything, It’s a way for me to better organize my notes and they’re not in boring gray so I’ll want to read it more
8
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(hyper/hypo/iso) tonic solutions
hypertonic, hypotonic, and isotonic solutions
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Science
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Water's unique properties and their impact on life and the environment
• Polarity of water and its effects on molecular interactions
• High specific heat capacity regulates temperature in organisms and ecosystems
• Cohesion, adhesion, and surface tension enable vital... Show more
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This page delves into the various properties of water that arise from its polar nature. These properties include cohesion, adhesion, capillary action, and density.
Definition: Cohesion refers to water molecules sticking to each other through hydrogen bonding, while adhesion is the ability of water to stick to other surfaces.
Cohesion and adhesion are responsible for important phenomena such as surface tension and the formation of meniscuses. These properties play crucial roles in biological processes.
Example: Capillary action, which allows water to move through small spaces and defy gravity, is essential for transpiration in plants.
The density of water is affected by temperature due to the behavior of hydrogen bonds. Cold water is denser because hydrogen bonds condense, while hot water is less dense as the bonds expand.
Highlight: Ice floating on water acts as an insulator, protecting aquatic life in freezing conditions.
Understanding water polarity and its effects is key to comprehending how water interacts with other substances and supports life processes.
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page explores water's role as a universal solvent, its pH properties, and its high specific heat capacity. These characteristics are fundamental to water's importance in biological and environmental systems.
Definition: Solubility is the ability of a substance to dissolve in a solvent. Water's polarity makes it an excellent solvent for many polar substances.
Water's ability to dissolve various substances is crucial for transporting chemicals and nutrients in living organisms and ecosystems.
Vocabulary: pH is a measure of acidity or basicity, with 7 being neutral, below 7 acidic, and above 7 basic.
Water's high specific heat capacity is a critical property that impacts both living organisms and the environment. This characteristic allows water to absorb or release large amounts of heat with minimal temperature change.
Highlight: Water's high specific heat capacity helps maintain homeostasis in organisms and regulates Earth's temperature.
The page also discusses the difference between polar and non-polar molecules, which is essential for understanding molecular interactions in biological systems.
Example: Oxygen atoms in water have a charge, contributing to water's polar nature and its ability to form hydrogen bonds.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This final page focuses on hydrogen bonding in water molecules and the water cycle, illustrating how water's unique properties influence global processes.
Definition: A hydrogen bond is an attraction between two atoms already participating in other chemical bonds, typically involving a hydrogen atom and an electronegative atom.
Hydrogen bonds, although weak, are crucial for water's unique properties and its role in biological systems.
Highlight: Hydrogen bonds in water molecules are easily broken and reformed, contributing to water's fluidity and its ability to absorb and release heat.
The water cycle demonstrates how water's properties enable its movement and transformation throughout the environment. Key processes include precipitation, infiltration, evaporation, and transpiration.
Example: Transpiration, the movement of water through plants, is facilitated by water's cohesive and adhesive properties.
Understanding the water cycle is essential for comprehending global water distribution, climate regulation, and ecosystem functioning.
Vocabulary: Precipitation refers to water falling to Earth in various forms such as rain, snow, or hail.
This page emphasizes how water's high specific heat capacity impacts the environment, influencing climate regulation and seasonal temperature variations.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Water's unique properties stem from its molecular structure and the arrangement of its subatomic particles. This page explores the formation of molecules, ions, and the concept of polarity in water.
Definition: An ion is an atom with a charge, formed when an atom gains or loses an electron to become stable.
Water molecules are polar due to the uneven distribution of electrons between oxygen and hydrogen atoms. This polarity is fundamental to understanding water's behavior and its importance in biological systems.
Highlight: The polarity of water molecules results in one region having a positive charge while the other has a negative charge.
Vocabulary: Covalent bonds are formed when two or more atoms share electrons to become stable.
The formation of ions and ionic bonds is crucial in many chemical and biological processes. Ionic bonds occur when two or more atoms are held together by their different charges.
Example: In a water molecule, the oxygen atom has a greater pull on the electrons, creating a slight negative charge near the oxygen and a slight positive charge near the hydrogen atoms.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
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Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
