Physical Chemistry Vocabulary Study Guide

System The part of the universe being studied Surroundings Everything outside the system Universe Everything that exists and consists of both the system and the surrounding Properties Values that doesn’t depends on time, just a value at that instant. Extensive Property Depends upon the amount of material present. Intensive Property Does not depends upon the […]

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Chemistry – Physical Chemistry

What are nucleons and where are they found? Protons and neutrons, found in the nucleus What is the relative charge and mass of a proton, electron and neutron? Proton -> +1 (charge), 1 (mass) Electron -> -1 (charge), 1/1840 (mass) Neutron -> 0 (charge), 1 (mass) How are protons and neutrons held together? By strong […]

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Chemistry Chapter 1

Chemistry the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes Organic Chemistry the study of most carbon-containing compounds Inorganic Chemistry the study of non-organic substances, many of which have organic fragments bonded to metals (organometallics) Physical Chemistry the study of the […]

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PHYSICAL CHEMISTRY 1

What are the effects of Intermolecular forces on real gases and the conditions under which these effects become most evident? Molecules in real gases do not completely obey the ideal gas laws because the molecules are subjected to intermolecular forces known as ATTRACTIONS and REPULSIONS. These effects are typically seen under conditions of HIGH and […]

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Chemistry Chapter 1

chemistry study of the composition, structure, and properties of matter, the process that matter undergoes, and the the energy changes that are accompany in these processes organic chemistry study of most carbon containing compounds inorganic chemistry study of non-organic substances, many of which have organic fragments bonded of metals physical chemistry study of properties and […]

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Physical Chemistry 4B

Exothermic Releases heat Endothermic Absorbs heat How temperature affects rate of reaction – The higher the temperature, the more kinetic energy the particles have so the faster the particles move – So there are more collisions per second (greater frequency of collisions) and more of the particles have sufficient energy to overcome the activation energy […]

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Aqa chemistry A-Level physical chemistry

Relative atomic mass (Ar) The mass of an atom of that element compared with one twelfth of the mass of the carbon-12 isotope. Relative molecular mass (Mr) As As

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Inorganic and Physical Chemistry

Give 3 examples of electromagnetic radiation X-rays, TV and RF signals What does wave length vary between? 10 to the power of -14 and 10 to the power of 14 What is the speed of all electromagnetic waves? 3X10 to the power of 8 What is frequency? The number of complete waves passing a point […]

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Chemistry Chapter 17 – Davidson

What are the ways in which energy change can occur? Energy changes occur as either heat transfer or work, or a combination of both What happens to the energy of the universe during a chemical or physical process? During any chemical or physical process, the energy of the universe remains unchanged On what factors does […]

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