Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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Water and laundry detergent are mixed together, with detergent molecules
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Indicate whether the following sample of matter is a heterogeneous mixture, a homogeneous mixture, a compound, or an element.
4. a colorless gas that cannot be separated into simpler substances using physical means and that reacts with the metal
a. heterogeneous mixture
b. element
c. compound
d. homogeneous mixture
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- In the left box, draw a particulate-level illustration of a substance in the gaseous state. Model the particles as spheres, which can be simple circles. Assume that the box represents a tiny, closed container that holds the particles. In the right box, draw a particulate-level illustration of the same substance after it cools and becomes a liquidarrow_forwardQuestions 47 and 48: Samples of matter may be classified in several ways, including gas, liquid, or solid G, L, S; pure substance or mixture P, M; homogenous or heterogeneous Hom, Het; and, for pure substances, element or compound E, C. For each substance in the left column of the tables shown, place in the other columns the symbol from the top of the column that best describes the substance in its most common state at room temperature and pressure. Assume that the material is clean and uncontaminated. The first box is filled in as an example. G, L, S P, M Hom, Het E, C Factory smokestack emissions All, but mostly G Concrete in a sidewalk Helium Hummingbird feeder solution Table saltarrow_forwardQuestions 47 and 48: Samples of matter may be classified in several ways, including gas, liquid, or solid G, L, S; pure substance or mixture P, M; homogenous or heterogeneous Hom, Het; and, for pure substances, element or compound E, C. For each substance in the left column of the tables shown, place in the other columns the symbol from the top of the column that best describes the substance in its most common state at room temperature and pressure. Assume that the material is clean and uncontaminated. The first box is filled in as an example. G, L, S P, M Hom, Het E, C Limestone calcium carbonate Lead Freshly squeezed orange juice Oxygen Butter in the refrigeratorarrow_forward
- aIs the process of boiling water exothermic or endothermic with respect to the water? bA charged object is moved closer to another object that has the same charge. The energy of the system changes. Is it a change in kinetic energy or potential energy? Is the energy changes an increase or a decrease?arrow_forwardDescribe how a homogeneous mixture differs from a heterogeneous mixture.arrow_forwardUnder appropriate conditions, hydrogen peroxide can be changed to water and oxygen gas. Use the term homoatomic or heteroatomic to classify molecules of hydrogen peroxide. Explain your reasoning.arrow_forward
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- 5. Hydrogen chloride is decomposed by an electric current to hydrogen (H2) and chlorine (Cl2). Is hydrogen chloride homoatomic or heteroatomic. Why? A sentence or two of explanation.arrow_forwardDistinguish between each of the following and give example of each case A. Pure substance and mixture B. Elements and compound C. Homogeneous mixture and heterogeneous mixture. D. potential and kinetic energy E physical property and chemical propertyarrow_forward14. A researcher finds that a solid has high melting and boiling points, and is soluble in water. Based on this information, he(she) can believe that the substance is a(n) A. ionic compound B. molecular compound C. homogeneous mixture D. heterogeneous mixture E. flammable substancearrow_forward
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