Monday, March 30, 2020
The Chemistry of Making Materials Using Zumdahl PDF Books
The Chemistry of Making Materials Using Zumdahl PDF BooksChemistry is the study of the properties of atoms and their bonds. The atoms are usually described as either positively or negatively charged particles. If the atoms come together in a molecule, they can form a bond, which is like a type of mechanical link. The bond is sometimes referred to as a chemical bond, and the molecules that come together may also be called solids, liquids, or gases.When we think about the properties of atoms, we think about these very atoms being locked into a solid, or liquid, state. What we don't often think about is how much we can vary the quality of these atoms by the way we shape our molecules. In other words, how can we adjust the quality of the atoms?Molecules can be stretched, compressed, twisted, or bent. Sometimes these changes can be so small that we would never notice them. What we do notice is that atoms do not remain the same in size or shape. For example, if we take a cube of sugar and break it up into separate units, we find that each cube has a different shape. The number of units that are in each cube depends on the number of atoms in each cube.If we take a piece of paper and lay it flat, each atom that touches the paper will have a slightly different configuration, because it will have a slightly different size and shape. Atoms are so close together that some are touching others, and others are touching both. But they all have slightly different shapes and sizes. These differences in shape and size to produce different structures, and the shapes and sizes can be used to make new materials.We might say that the atoms that are near each other are in a 'weakly interacting' state. What this means is that the atoms don't really interact with each other. This makes a good foundation for designing materials that are strong and lightweight. Materials that are strong and lightweight have to be able to withstand a lot of wear and tear. They also have to be durable and a ble to handle a lot of environmental stresses, including bending, shearing, and even vibration.Sometimes we can take advantage of the fact that the atoms are close together to make different structures. Sometimes we might look at molecules as 'gaps,' and the molecules are just gaps between two other molecules. The 'gap' is like a room that is missing a door. A door is the part that connects two rooms together. The room is the world, and the door is our molecules.Now if we can change the shape of the gap, then we can add a door, or we can remove the door. That's the way that the atoms can be used to make new materials. For example, if we look at molecules that are a type of sugar, we can use the molecular structure that is seen in carbon dioxide to create the four atoms that are needed to make a complex polymer.Then we can take those molecules and we can put them together to make a new material. In some cases, we might have to rearrange the molecules to get new properties. However, w e can look at atoms and see their bonds and see how the bonds affect the material that we want to make. We can use this information to use chemistry to design the materials that we want to make.
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