11 Quick FACTS About CHEMISTRY that you should know

by - August 29, 2018

Hello my beautiful people, welcome back!

Today I'm going to be sharing with you 11 quick chemistry facts that will let you with the desire to know more about chemistry facts! They're pretty simple, but most of them you will not expected it.

1. Hydrogen atom age in your body- Approximately 15 billion years ago the universe began as an extremely hot and dense region of radiant energy, the Big Bang. One of the signatures of the Big Bang that persists today is the long-wavelength radiation that fills the universe. The hydrogen atom in your body is likely to be 13.5 billion years old, since they were created at the birth of the universe. That's because it has been found that the hydrogen was the first chemical element during the Universe's singularity, at ground zero. 

Then, all the other followed by fusing hydrogen into helium, which then fused into carbon and so on. Approximately 73% of the mass of the visible universe is in the form of hydrogen. Helium makes up about 25% of the mass, and everything else represents only 2%. By mass, hydrogen and helium combined make up far less than 1% of the Earth. Our body composition consist approximately about 10% of hydrogen.

2. Smell behind the Lightning strikes- You know that when a thunderstorm pass we perceive that "clean" smell o sensation, well that's because of the Ozone that the lightning strike produce, which is the characteristic smell after lightning storms. This triple oxygen molecule  is created in nature by lightning and acts like a protective stratospheric blanket against the ultraviolet rays. When it strikes, the lightning cracks oxygen molecules in the atmosphere into radicals which reform into ozone. The reason of getting the "clean" smell after the storm is because the smell of ozone is very sharp, like the smell of chlorine. Also, the lightning strike can reach a temperature of 30,000 degrees Celsius or 54,000 degrees Fahrenheit, cool right?

3. One inch of rain is equal to 10 inches of snow - Even though they're the same molecule when the temperature is around 30 degrees F, and we assume that the storm is all snow and not rain and snow,  one inch of liquid precipitation would fall as 10 inches of snow. It's not something 100% accurate, since is based on the assumption of temperature and state of the snow storm but its pretty cool! 

4.  Gold and Copper the only two non-silvery metals - Metals are elements that readily forms positive ions (cations) and has metallic bonds. The reason of why metals are great electrical and thermal conductors is because this elements also have electrons that are loosely held to the atoms, readily transfer them and then the electrons move energy. Most elements are metals and most metals are silver-colored or gray. Also, most metals’ electrons reflect colors equally, which means that the sun’s light is reflect as white. What makes this two metals different is that gold and copper, however, happen to absorb blue and violet light, leaving yellow light. Another cool thing is that copper is also the only metal that is naturally antibacterial. 

5. Water expands when freezes - Unlike other substances the water expands when it freezes and that's because the ice occupied more volume even though the it vibrates less when it's frozen due to the strange shape of the water molecule which led to an expansion of approx. 9%. Usually the other substances when something is cold, tends to shrink because of the temperature that describes atomic vibration — the more vibration, the more space it takes, meaning more expansion. Based on how oxygen and hydrogen bond, the water molecule is an open structure with a lot of space. So when  the water freezes this releases energy because it can make a lots of extra strong bonds, so then the ice expands when it freezes. Do you want to know another interesting fact? The hot water freezes faster than cold water, yeah that's right. This is because when the ice melts it undergoes a physical change from solid to liquid, but this is not a chemical reaction since it remains the same physical substance (H2O).

6. Glass is actually a liquid -  The glass is practically a liquid even though it's not defined as neither liquid, nor solid. This is because the glass molecules are flowing, but at a very low rate that it’s barely perceptible. A lot of Chemists called them amorphous solids which is a state somewhere between those two states of matter. Also sometimes they're called metal glass which is a class of materials that are three times stronger than titanium and have the elastic modulus of bone but are extremely lightweight. 

7. Water levels go down with salt- Based on the Achimides' law the water level go up when any body is submerge partially or completely. When you add a volume of sodium chloride, meaning salt, to a volume of water the law is not follow and the opposite happen. That means the overall volume actually decreases by up to 2% and why? Because the net reduction in observed volume is due to solvent molecules which become more ordered in the vicinity of dissolved ions.

8. Chalk is made of skeleton fossils of plankton-  Did you know that? Crazy huh? The Chalk is formed from lime mud which is formed from the microscopic skeletons of plankton with the Coccolithophores being the most common. This lime mud are accumulates on the sea floor in the right conditions which is then transform into a rock by geological process. In the process the lime mud is submit to heat and pressure, which are an important factors in the process because if it get too much heat and pressure it can be transform to marble. 

9. DNA is a flame retardant- How this was found? Well a group of  researchers found that when they coating cotton cloth with DNA, the genetic material reduced the fabric’s flammability. So, when it’s heated, the phosphate from DNA produces the phosphoric acid which replaces the water in cotton fibers as a flame-retarded residue and the bases, which contain nitrogen, react to produce ammonia which inhibits combustion.

10. J, the only letter that doesn't appear in the Periodic Table - Did you know that? I didn't! This is because the letter J wasn't recognize in the Greek alphabet and wasn't recognize in the English alphabet either until the 16th century.  

11. Ethylene gas a common gas in Apples and pears- The apples and pears have a common compound, which is the ethylene. The ethylene is a hydrocarbon in a gas state that have a "sweet and musky" odour when pure. This fruits release ethylene gas as they mature, which in turn can promote ripening in several other types of fruit. So make sure you don't store all your fruit in the same basket. The ethylene is regulated by a variety of developmental and environmental factors and it's known as the ripening hormone, because it produce the ripening in accelerate ways. Ethylene is responsible for the changes in texture, softening, color, and other processes involved in ripening. 

I hope you guys like this post, if you do share with all your friends so they can know this 11 chemistry facts! 

Happy Wednesday everyone!
Love you! 

**I have the copyright of all the pictures

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