They lower the activation energy needed to start a chemical reaction.
no, enzymes are very specific with respect to stereo-chemistry and usually is active only to one enantiomer
The Anatomic theory is the way chemicals react, they have determined the attributes of each element.
No it does not.
he has made a safe way to see how chemicals react when they have been over the fire for a certain amount of time
it changes daily life by the way they react, also it causes problems for that person.
Yes because if you are really stressed then you might react in a negative way, but if you are less stressed then you might react more cool and calmly.
Alcohol does no contain caffeine they are completely seperate chemicals that each affect the body in their own way.
all depends on the type of chemical. most chemicals can be washed down the sink with plenty of water. However others would react with water to produce a nasty mess. so find some hazard cards about the specific chemicals you are using.
This has to do with their electronic configuration. There are some elements like the noble gases which are inert and stable because they have electron shells that are fully filled with electrons. So they have no tendency to form bonds. On the other hand, other elements that have excess electrons or need to gain electrons will form ionic or covalent compounds.
The progestins may affect insulin effects, and some of the estrogens may affect lipid metabolism.
Yes, people do use their dressing style as a way of persuading others. It has been proven that the way a person dresses can have a great affect on the way that others think of them and react to them.
The liver is the organ that breaks down chemicals in the blood. It removes toxins, and also drugs from the body so they can be taken out of the body by the kidneys and the bladder (pee). If you have elevated liver enzymes this means that the way in which the liver is breaking down the toxins and drugs is working faster than normal.