Wednesday, October 19, 2011

Chemistry - The Mathematics Necessary For Basic Chemistry


!±8± Chemistry - The Mathematics Necessary For Basic Chemistry

Chemistry can be a very exciting. Substances can be mixed into new things that change the color, create odors and create go BANG! Chemistry is the backbone of drug research, CSI detective work and the development of the food. So the chemistry is very attractive for many students to recognize them, must have some math skills.

But do not worry, the math skills for basic chemical research is needed very simple and can be mastered by one. So here's a list ofthe most commonly used math skills in chemistry.

Scientific Notation

Scientific notation is a very useful tool. It allows chemists to write very large and very small numbers easier. It involves using powers of ten to reduce the number of digits you will have to write.

10, 000 becomes 1 x 10^4
.0001 becomes 1 x 10^-4

Significant figures (sig figs)

Significant figures (sig figs) help chemists maintain the integrity of their data. Calculations are only as good as the data collected. The data is only as good as the tool being used and the tool is only as good as the person using it. If your measuring device only measures to a tenth of a unit, your precision cannot be better than that of the tool. Understanding how significant figures work maintains the integrity of your data.

Fractions

Many calculations in chemistry require the ability to manipulate fractions. You need to understand how to clear fractions, reduce fractions and find a common denominator.

Decimals

Being able to work with decimals is very important because most measurements in chemistry are not exact. Many of your measurements will be parts of things (fractions) and it is better to use decimals rather than fractions in describing your data. You need to know place values and how to convert fractions to decimals.

Percents

It is important that you understand percents in chemistry because many times your data will be converted to a percent for comparisons. Percents are not very difficult to understand. Percents are just another way to write fractions and decimals. Example: 1/2 =.50 = 50%

Pre-algebra

Most chemistry problems only require simple pre-algebra skills. If you can solve simple equations and create a basic coordinate graph, then your algebra skills will be sufficient. There is no need for calculus or even pre-calculus.

Calculator

In order to make chemistry even simpler, you should invest in a TI-84 graphing calculator. The time and headaches that will be solved by learning to use a calculator will be well worth the investment. A TI-84 not only can do the usual arithmetic, but it can help sort and graph your data.


Chemistry - The Mathematics Necessary For Basic Chemistry

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