The energy equivalent (E = mc^2) of the mass deficiency of an atom. where: E = is the energy in joules, m is the mass in kilograms, and c is the speed of light in m/s^2
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What are Compound Microscopes?
Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...
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What's In Your Beverage? How to Ensure Quality Control with CO2 Analytical Support
Calibration standards, performance audits, and the FDA's never-ending safety, labeling, and inspection requirements are just the tip of the iceberg when it comes to dealing with the increasingly stringent quality control standards of the beverage industry. As these quality standards become...
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Ozone
We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.
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Harmful Chemicals Found In Food
It's getting close to New Years and many people are starting to think about how to lose those extra pounds they managed to gain over the holidays. There are many sorts of diets and fads that have developed over the years from cutting carbs to cutting protein. Everyone has their own opinion as to...
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Chemical Safety
People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...
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Law of Conservation of Matter
There is no detectable change in the quantity of matter during an ordinary chemical reaction.
Homogeneous Mixture
A mixture which has uniform composition and properties throughout.
Law of Conservation of Energy
Energy cannot be created or destroyed, it may be changed from one form to another.
Mole Fraction
The number of moles of a component of a mixture divided by the total number of moles in the mixture.
Overlap
The interaction of orbitals on different atoms in the same region of space.
Conjugated Double Bonds
Double bonds that are separated from each other by one single bond -C=C-C=C-.
Formula Unit
The smallest repeating unit of a substance. The molecule for nonionic substances
Graham's Law
The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.
Chemical Periodicity
The variations in properties of elements with their position in the periodic table.
Dipole-dipole Interactions
Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.
