this isn't goodbye, it's see you later

As tomorrow is the last day of chem,
I'd just like to say thank you to everyone who has contributed to the fun in this class. You guys have made days brighter, and have helped me get through this crime they call 'summer school'. Anyways, I hope you guys all have an amazing rest of summer and have a great time reading our summer reading books!

I will miss our pointless conversations, and Dr. Forman's iconic laugh. I will also miss Kevin and his demos, and our little study sessions before mini quizzes, madee's contagious yawning, madison and max's chemistry, berkley's beat, noah's haircut, Kelly's endless science reports, dani's kindness, Taylor's redhairedness, Izzy's love for bands, and so much more.  But I think that I will miss all of you most. I guess you really get to know people once you spend four hours in a room with them a day.
Love you all!
Thanks,
Abi

412

9.
10. solution
13. a.2.11% b.0.009%
14. ocean, glaciers, water vapor, rivers
15. yes
16. Well, it is possible because water molecules do not just disappear.

495

1. Purifying water is taking out all of the bad bacteria and diseases.
2.boiling, adding chlorine, and filtration
3. bacteria and minerals
4. a. Too much salt b.boiling
5.
6. Yes it has, because we keep using it more and more.
7.ocean water
8. Land will dry out because the water will flow to the ocean.

11.
12. in order to prevent horrible effects
13. fluoride is added to reduce tooth decay
18. Untreated water is very bad because it can be harmful to the human body.
19. It will cause trihalomethane's.

love, love, love

   The Science of Falling in Love

A new study conducted by Syracuse University professor Stephanie Ortigue is called, "The Neuroimaging of love."

This new study shows love cannot only give off the same feeling as using cocaine, but also affects intellectual areas of the brain. Researchers also have found that falling in love only takes about one fifth of a second!

Results from Ortigue's team have found that when a person falls in love, twelve areas of the brain work to release euphoria-inducing chemicals such as dopamine, adrenaline, and vasopression.
The feeling of love can also affect mental representation, metaphors, and body image.

The study also shows that different parts of the brain fall for love. Unconditional love, like mother to her son, is sparked by common and different brain areas, including the middle of the brain. Passionate love, on the other hand, is sparked by cognitive brain areas.

Other researchers have found that blood levels of nerve growth factor INCREASE. Those levels were much higher in people who had recently fallen in love. This molecule plays an important role in the phenomenon 'love at first sight'.  Ortigue states, "These results confirm that love has a scientific basis."

The actions we take for the people we love.

The way to tell someone that they belong with you. 

               http://www.syr.edu/news/articles/2010/ortigue-neuroimaging-of-love-10-10.html

Blog of the day!

All movements within the carbon cycle either require or release energy.
SO, plants use carbon dioxide and energy from the sun to form carbohydrates by means of photosynthesis.
Carbs are then consumed by other organisms, and are eventually broken down or oxidized. And, releasing energy for use by the organisms that consumed them.

71 percent of earth's carbon atoms are dissolved in its oceans. And 22 percent are trapped in fossil fuels and in carbonate rocks formed when dissolved CO2 reacted with water, producing carbonates, then sediments, and then rocks.

Carbon cycle
-NAtural movement of carbon within earth's systems
-Can be affected by burning fossil fuels.

383

1. A biomolecule is any molecule produced by a human organism, including proteins, lipids, and nucleic acids.

2.
a.Natural gas
b.Natural gas
c.Nuclear fission

3. Petroleum, natural gas, and also coal.

4. The source of the energy stored in biomolecules is the sun.

5. The use of automobiles has become more and more common. Also population has continued to grow, and objects are continued to be made.

354

17.
a. Coal and oil
b.atmosphere and limestone
c.breathing and deforestation

18.

19.

20.

D.5 YAY!

354
10.
11.
a.C5H12 + 8 O2--->5 CO2 +6 H2O
b. C3H8 + 5O2--->3CO2 +4H20
c. 2 6CH14 +19O2 --->14 H2O

336

1.
a.Pulling apart magnets is similar to breaking chemical bonds because 2 parts come together to create one thing, and then those are being torn apart as well. Also, they both have opposite attractions towards each other.
b.Pulling apart magnets involves adding energy because it is the force that pulls them apart.
c. Adding energy is needed in both situations, acting like a force to pull things apart.
d.This is similar because energy involved in making chemical bonds because the energy is subdued in order to bring the magnets together,

2.
a. No because endothermic means that energy is being added. But here, energy is being released.
b.Biochemicals from prehistoric animals and plants.

Blog of the Day: C.2 and C.4

Whether a chemical reaction is endothermic or exothermic relies on how much energy is added (endo) in bond breaking and how much energy is given off (exo) in bond making.

Endothermic change---> If more energy is added than given off

Exothermic Change---> If more energy is given off than is added.

Example of exothermic change: formation of chemical bonds

Example of endothermic change: melting of ice cubes

Potential energy: energy associated with position

Kinetic energy:: Energy related to motion