What are the differences between these things?

1. substance vs. mixture
2. homogeneous vs. heterogeneous
3. solute vs. solvent
4. saturated vs. supersaturated
5. concentrated vs. dilute
6. element vs. compound
7. aqueous solution vs. universal solvent
8. soluble vs. insoluable

All of these are standard definitions. Each may take a page to explain fully since we don't know where you are in the understanding process. Please look these up in your text or notes, then tell us what you don't understand about each and perhaps we can help you through them. Note the spelling of 8 is soluble vs insoluble.

You can also look many of these terms up in a hardbound or online dictionary, or even search on the Internet.

I searched Google under the key words "substance mixture difference" to get these possible sources:

http://wiki.answers.com/Q/How_is_a_substance_different_from_a_mixture
http://en.wikipedia.org/wiki/Chemical

You can do similar searches for the other concepts.
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

I hope this helps a little more. Thanks for asking.

thanks

what are the solvent and solute in a solution containing 100g of ethanol and 3g of sucrose

1. Substance vs. Mixture:

- A substance is a pure form of matter that cannot be separated into other substances by physical means. Examples of substances include elements and compounds.
- A mixture, on the other hand, is a combination of two or more substances that are not chemically combined. Mixtures can be separated into their individual components by physical means, such as filtration or distillation.

2. Homogeneous vs. Heterogeneous:
- A homogeneous mixture has uniform composition and properties throughout. In other words, the components of a homogeneous mixture are evenly distributed. Examples include saltwater or air.
- A heterogeneous mixture, on the other hand, has non-uniform composition and properties. The components of a heterogeneous mixture are not evenly distributed and can be seen as distinct phases. Examples include a salad or a sandy beach.

3. Solute vs. Solvent:
- A solute is a substance that is dissolved in a solvent to form a solution. It is the component present in a smaller amount.
- A solvent is a substance that dissolves the solute to form a solution. It is the component present in a larger amount. For example, in a sugar-water solution, sugar is the solute and water is the solvent.

4. Saturated vs. Supersaturated:
- A saturated solution is a solution in which the maximum amount of solute has been dissolved at a given temperature and pressure. No more solute can dissolve in the solvent.
- A supersaturated solution, on the other hand, is a solution that contains more dissolved solute than its equilibrium amount at a given temperature. Supersaturation is achieved by dissolving solute at high temperatures and then slowly cooling the solution.

5. Concentrated vs. Dilute:
- Concentrated refers to a solution that has a large amount of solute dissolved in a given volume of solvent. In other words, the ratio of solute to solvent is high.
- Dilute refers to a solution that has a small amount of solute dissolved in a given volume of solvent. In other words, the ratio of solute to solvent is low.

6. Element vs. Compound:
- An element is a pure substance that consists of only one type of atom. Elements cannot be broken down into simpler substances by chemical means. Examples include oxygen, gold, and hydrogen.
- A compound is a pure substance made up of two or more elements chemically combined in fixed proportions. Compounds can be separated into their individual elements by chemical means. Examples include water (H2O) and carbon dioxide (CO2).

7. Aqueous Solution vs. Universal Solvent:
- An aqueous solution is a solution where water is the solvent. For example, sugar dissolved in water or salt dissolved in water.
- A universal solvent does not exist. However, water is often referred to as the "universal solvent" because it can dissolve a wide variety of substances, including many polar and ionic compounds.

8. Soluble vs. Insoluble:
- Soluble refers to a substance's ability to dissolve in a particular solvent. If a substance is soluble, it dissolves in the solvent.
- Insoluble refers to a substance's inability to dissolve in a particular solvent. If a substance is insoluble, it does not dissolve in the solvent.