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CHEM 130IN UIC Mod 5 Phases of Matter Questions

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Amal Al Mohammad Chemistry 130IN Dr. Ann Marie Module 5 Assignment 1. What are the three phases of matter? solid state:​ -Molecules are held close to each other by their attractions of charge. They will bend and/or vibrate but will stay in close proximity. The molecules have an ordered arrangement liquid state:​ -Molecules will flow or glide over one another, but stay toward the bottom of the container. Motion is a bit more random than that of a solid. They have enough kinetic energy to slip out of the ordered arrangement of a solid. gas state:​ -Molecules are in continual straight-line motion. The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other. 2. Give three examples of a phase change. Be sure you state the example and the phase change (ie ice melts: solid to liquid, melting). Example #1 Coater evaporates Liquid to gas, evaporation. Example #2 Solid camphor vaporates Solid to gas, sublimation Example #3 Raining Gas to liquid, Condensation 3. What conditions of a gas sample should remain constant for Boyle’s law to be used? Boyle's Law states that the volume of a given amount of gas at constant temperature is inversely proportional to the pressure. Therefore, the conditions of the gas sample that must remain constant are the amount of gas and its temperature. 4. What conditions of a gas sample should remain constant for Charles’s law to be used? In Charles's Law, ...
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