Category: /Science & Technology/Chemistry
matter is made of. The ancient Greeks believed there to be only four elements- air, earth, fire, and water. We now know that elements are the simplest type of a pure substance. Because of the many different properties of elements, they have been organize
Details: Words: 735 | Pages: 3.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
In dilute concentrations acids are responsible for the sour taste of lemons, limes, vinegar and other substances. Hydrochloric acid is produced in your stomach to help digest food. Sulfuric acid is found in car batteries. Acids can conduct an electric
Details: Words: 505 | Pages: 2.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
with far reaching consequences is nuclear fission. Nuclear fission is defined as the splitting of heavy nuclei to release energy. This aspect holds many opportunities and possibilities for our technologically advancing world.
Fission Process (Theory)
Details: Words: 1100 | Pages: 4.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
factors which affect the rate of a reaction, according to the collision theory of reacting particles: temperature, concentration (of solution), pressure (in gases), surface are (of solid reactants), and catalysts. I have chosen to investigate the
Details: Words: 1797 | Pages: 7.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
Specific Purpose: To persuade my audience that the "ozone hole" is not caused by man and therefore requires no policy against CFC's.
Central idea: The ozone layer/"hole" is caused by fluct. in the environment and CFC's are little if any of the
Details: Words: 755 | Pages: 3.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
freshwater and sea water. It is unique in numerous ways and is a life giving ecosystem. To understand what brackish water is, a background should be known about its sources.
First of all, there is freshwater. Out of
Details: Words: 682 | Pages: 2.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
must collide. They must also collide with enough energy for a reaction to take place. The energy created is called activation energy. The more often and faster the chemicals collide, the stronger the reaction.
Rate of Reaction
The rate of a reactio
Details: Words: 1116 | Pages: 4.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
few of the colours seen in many different fireworks around the world. You may wonder how these wonderful explosions might happen and what chemicals were used to have a colourful blast off.
Here are six different steps on how you make a firework.
Details: Words: 502 | Pages: 2.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
always benefit humanity, where others believe this new technology heralds a new era of advancement in medicine if people will release their fears and let the benefits begin.
Cloning is a major breakthrough in science, which could possibly benefit
Details: Words: 1293 | Pages: 5.0 (approximately 235 words/page)
Category: /Science & Technology/Chemistry
substances using smallest number of tests.
Materials:
goggles
7 test tubes
test tube rack
test tube holder
conductivity apparatus
DI water
stir rods
scapulas
well plate
Bunsen burner
dilute HCl
Beaker
plastic wash bottle
marking
Details: Words: 1142 | Pages: 4.0 (approximately 235 words/page)