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Classify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: (a) water from a well, (b) argon gas, (c) sucrose, (d) a bottle of red wine, (e) chicken noodle soup, (f) blood flowing in a capillary, (g) ozone.
a. Water from a well - heterogeneous mixtureb. Argon gas - elementc. Sucrose - compoundd. A bottle of red wine - homogeneous mixturee. Chicken noodle soup - heterogeneous mixturef. Blood flowing through a capillary - heterogeneous mixtureg. Ozone - element
Chemistry: The Study of Change
Intro to Chemistry
University of Maryland - University College
University of Toronto
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry deals with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds. Chemistry also involves understanding the properties and interactions of individual atoms and molecules for use in larger-scale applications.
In chemistry and physics, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic particles, and in everyday as well as scientific usage, "matter" generally includes atoms and anything made up of them, and any particles and objects that act as if they have both rest mass and volume. However it does not include massless particles such as photons, or other energy phenomena or waves such as light or sound. Matter exists in various states (known as phases) that are defined by various physical properties, such as state of matter, phase, shape, and density. The Standard Model of particle physics and the general theory of relativity describe fundamental particles and the fundamental forces acting between them that control the structure and dynamics of matter.
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identifying something is ahead of Virginia's or a homogeneous mixture can be challenging unless you are not familiar with all of the properties of that solution with that mixture, for example, homogenized milk is actually not a homogeneous solution. It's a hetero genius solution because of the small amount are the small particles of fat that air suspended even though we call it homogenized milk? It's really a hetero genius solution, but hopefully these ones are pretty straight forward. If we have well water, we're going to assume, but it's clear and drinkable, so this would be a homogeneous solution if we then have argon gas. Argonne itself is just a element, then our next one is sucralose might not know what sucrose is, so you have to look it up. You find out that it is just one specific compound, then red wine will, assuming that is talking about the red wine and not the bottle on the red wine, and we're assuming the red wine has not. It doesn't have any floaties in it from over time or any solid particles that it was filtered quite well, so this would then be a homogeneous mixture, chicken noodle soup of course, has chunks of stuff in it. The chicken, the noodles. So this is a hetero genius mixture. Blood is Hedorah genius because it contains multiple red blood cells, white blood cells, platelets. All of these are particles that, uh, do that or not, um, uniformly mixed at the molecular level. So bloods, hetero genius, ozone, You might have to look that up, find out it's 03 So it just contains oxygen atoms, so it would just be the oxygen element.
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