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Chemistry exam review unit 3 energy change and rates of reaction
Fichas del conjunto (21)
- 1CalorimetyTechnological process of measuring energy change in chemical system
- 2Chemical changeA change in chemical bonds between atoms resulting into a new substance
- 3Chemical systemA set of reactants and products under study, represented by a chemical equation
- 4EndothermicAbsorbing thermal energy as heat flows into the system
- 5Enthalpy changeThe difference in enthral pies of reactants and products during a change
- 6ExothermicReleasing thermal energy as heat flow out of the system
- 7HeatAmount of energy transferred between substances
- 8Hess's lawThe value of the H for any reaction that can be written in steps equal to H for each step
- 9Isolated systemAn ideal system in which neither matter nor energy can move in or out
- 10Molar enthalpyThe enthalpy change associated with a physical, chemical or nuclear change involving 1 mole of a substance
- 11Molar enthalpy of reaction (change)The energy change associated with the reaction of 1 mole of a substance
- 12Nuclear changeA change in a proton or neutron in an atom, resulting in the formation of a new atom
- 13Open system1 in which both matter and energy can move in or out
- 14Physical changeA change in the form of a substance, in which no chemical bonds are broken
- 15Potential energy diagramA graphical representation of the energy transferred during a physical or chemical change
- 16Specific heat capacityQuantity of heat required to raise the temperature of a unit mass of a substance 1*C or 1K
- 17Standard enthalpy of formationThe quantity of energy associated with the formation of 1 mole of a substance from its elements in standard state
- 18SurroundingsAll matter around the system that is capable of absorbing or releasing thermal energy
- 19TemperatureAverage kinetic energy of the practicles in a sample of matter
- 20Thermal energyEnergy available from a substance as a result of the motion of its molecules
- 21ThermochemistryThe study of the energy changes that accompany physical or chemical changes in matter
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- Grade 12 Chem Fichas sobre Chemistry exam review unit 3 energy change and rates of reaction , creado por sadies-geniole el 21/01/2014.
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