AL

__//Terms// __

**Chemical Property** -A chemical property is a property or behavior of a substance when it undergoes a chemical change or reaction. **Physical Property** - The measurement of a physical property may change the arrangement of matter in a sample, but not the structure of its molecules. In other words, a physical property may involve a physical change, but not a chemical change. **Homogeneous** - A substance or material that contains only one kind of compound or one element can be defined as homogeneous. Homogeneous is Latin for "the same kind". **Heterogeneous** - A mixture that does not have uniform composition and properties throughout. **Suspension** - A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction. **Solution** - Mixture of a solid and a liquid where the solid never settles out, eg saltwater. **Density** - Mass per unit volume of a substance. **Filtrate** - A liquid or gas that has been filtered. **Atom** - The smallest object that retains properties of an element. Composed of electrons and a nucleus (containing protons and neutrons). **Element** - A substance consisting of atoms which all have the same number of protons - i.e. the same atomic number. **Molecule** - Two or more atoms chemically combined. **Compound** - A substance formed by the reaction of two or more chemical elements. The elements in a compound are present in fixed ratios. **Physical Change** - A change in which a substance changes from one physical state to another but no substances with different composition are formed <span style="color: #ff00ff; font-family: 'Times New Roman',Times,serif;">**Chemical Change** - A change in which one or more new substances are formed.

__<span style="color: #ff00ff; font-family: 'Times New Roman',Times,serif;"><span style="color: #6ea5f7; font-family: 'Times New Roman',Times,serif;">**//A//** **//nalysis//** __ <span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">In the first step we removed the oil from the water but we had to keep the same <span style="background-color: transparent; color: #ff00ff; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">density <span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">of water. The original sample of water is <span style="background-color: transparent; color: #ff00ff; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">heterogeneous <span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">. It is a yellow greenish color and has oil, water, and pepper in it. After we took the oil out and put the charcoal in it, it turned black. When we saw it turn black that was a <span style="background-color: transparent; color: #ff00ff; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">physical property <span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">. Then we put it in a funnel that took out all the charcoal and left the water to be like any normal water would look. Two <span style="background-color: transparent; color: #ff00ff; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">elements <span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;"> make up water, which is oxygen and hydrogen. All of these steps that we did are <span style="background-color: transparent; color: #ff00ff; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">filtration.

<span style="background-color: transparent; color: #6ab5f6; font-family: 'Times New Roman'; font-size: 10pt; text-decoration: none; vertical-align: baseline;">Before treatment- we observed what the liquid looked like and what was in it. We also observed the smell. After oil water separation - Remove all of the oil from the liquid. We went to purify the water <span style="font-family: 'Times New Roman',Times,serif;"> <span style="color: #6ab5f6; font-family: 'Times New Roman',Times,serif;">In the original sample of water it's a yellow greenish color and has water oil and pepper in it. After we took the oil out and put the charcoal in it turned black. Then we put it in a funnel that took out all the charcoal and left the water to be like any normal water would look. In the first step we removed the oil because it was separated from the water. In the second step we put the sand in a cup to remove the pepper, we did this because we needed to make the water clear. In the next step we added charcoal to the water and after we filtered out the charcoal to get purified water. The step that was the best was when we put the charcoal in the water and filtered it. The step that was the worst was when we had to take out the oil because it took to long and it took out some of the water.