Define the following terms and use them in your answers below. - Solubility: The greatest quantity of a solute that can be dissolved into a solvent - Soluble: When a substance can be dissolved into a solvent. Ex: sugar can be easily dissolved into coffee or tea. - Insoluble: When a substance cannot be dissolved into a solvent. Ex: oil cannot be dissolved into water. - Hydrophilic: Describes a substance that can easily be mixed or dissolved into water. Ex: salt - Hydrophobic: Describes a substance that cannot be dissolved or mixed into water. Ex: oil - Density: The amount of matter in a certain area. You can calculate the density bye dividing the mass by the volume.
1) Explain what happens when the oil was added to the water? When the oil was added to the water, it floated to the top …show more content…
3) Classify the state of matter of the substances used and produced.
The oil, water and food colouring are liquids. The Alka-Seltzer tablet is a solid that is soluble so when it dissolves into the water, it becomes carbon dioxide gas.
4) What type of mixture was produced? How do you know?
A heterogeneous and homogeneous mixture was created. The water/food colouring and oil did not mix because oil is hydrophobic and you can easily see the two different substances and you can also see the carbon dioxide bubbles. This makes it a heterogeneous mixture. The homogeneous mixture is the water and the food colouring. It is a homogeneous mixture because you cannot see that they are two different substances, they look like one.
5) Can you determine what created the bubbles and why? Explain.
When the Alka-Seltzer tablet dissolved and became carbon dioxide, the gas bonded with the water. This caused the water and gas bubbles to float to the top. After the bubbles pop, the water would go back to the bottom.
6) How is your lava lamp different than the one at the front of the