Monday, March 30, 2020
Accuracy and Precision in Chemistry
Accuracy and Precision in ChemistryWhen you are in the middle of a Chemistry experiment, there is not a doubt that you will be working towards two different goals, accuracy and precision. Even though it may not be clear at first, these two goals are very closely related. You want to get the result as close to the one that you want it to be. However, with accuracy and precision comes the possibility of making a mistake, which could potentially make a difference in the accuracy or precision of the result.Chemicals can react differently when they come into contact with other chemicals. What may seem like a nice blend of colors in the first step may show up as a totally different color in the second step. That would be the case when you have two different substances with the same names coming into contact with each other.For example, when you mix water and ethanol, they react very differently. One reaction may give out yellow water while the other reaction may give out green water. The f inal outcome depends on how the reactions between the two substances were initiated.Because the chemistry involves chemical properties of atoms, it can also be used to measure atomic properties. This is done with Atomic Absorption Spectroscopy. This is where you look for the change in atomic frequency that the substance has when it comes into contact with another substance, which also has a different atomic frequency.An accurate measurement of frequency can help determine the strength of an atom or the chemical bonds that hold the atoms together. Knowing this information will allow you to create the most accurate measurements possible of substances that have similar characteristics. One example of this is when you are looking for a substance that is strong in acids, which would mean it would also be strong in bases.It also has been determined that molecules that have the same quantum number can give off a different frequency. In other words, what may look like the same molecule can produce the exact opposite result when it comes into contact with another substance. There are many ways that the frequency of an atom can vary depending on its association with another substance. A good example is the difference between oxides and liberates.Oxides are generally considered to be weak in acidity and are not very stable. However, it would be incorrect to assume that oxides are all stable. While oxides can be classified into those that are weak in acidity and those that are strong in acidity, there are also some that are neutral in both acids and bases.Another common example is solution chemistry. In this type of chemistry, there are not many boundaries between molecules because they have been totally dissolved in a liquid solution. The solution can help scientists in measuring the dissolving rate and the average amount of solute that a particular molecule will dissolve in a certain amount of solvent.
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