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Dr. H Q3 Benchmark

Dr. Heiny: Quarter 3 Benchmark

QuestionAnswer
Molarity concentration measured by the number of moles of solute per liter of solution
Phase Changes a physical change from one state (solid or liquid or gas) to another without a change in chemical composition
Solute A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
STP Standard Pressure; standard conditions of 0°C temperature and 101.325 kPa (760 mmHg) pressure
Temperature A measure of the average kinetic energy of the particles in a sample of matter, expressed in terms of units or degrees designated on a standard scale.
Diffusion The spontaneous intermingling of the particles of two or more substances as a result of random thermal motion.
Pressure Force applied uniformly over a surface, measured as force per unit of area.
Exothermic Processes Reaction in which heat is transferred from system to its surroundings.
Specific Heat the heat required to raise the temperature of one gram of a substance one degree centigrade
Factors influencing dissolving What solute? What solvent? What temperature?How much motion?
Molar Mass the mass, in grams, of one mole of a substance
Intermolecular Forces Forces of attractions that exist between molecules in a compound.
Endothermic Process Reaction in which heat is absorbed by system from surroundings.
Absolute Zero The state in which particles have "zero" or no motion. (Kelvin Scale)
Gas Law A summary of observations regarding the behavior of gases: Boyle's, Charle's, Combined, and Ideal.
Created by: defplayer96
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