AS - Level Chemistry Karteikarten am Energetics II, erstellt von Kayla Price am 18/09/2016.
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Erstellt von Kayla Price
vor fast 8 Jahre
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Schließen
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Erstellt von Kayla Price
vor fast 8 Jahre
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Define standard lattice enthalpy
How does the strength of ionic bonding change as lattice enthalpy becomes more negative?
How does the lattice enthalpy change when the charge of the ions increases and why?
How does the lattice energy change as the ionic radii of ions increases and why?
Define Hess' law
Define the enthalpy of atomisation
Define electron affinity
Define ionisation energy
Define the enthalpy of formation
What is the difference between theoretical and experimental lattice energies?
How is comparing the theoretical and experimental values for lattice enthalpy useful?
Why is the experimental lattice enthalpy more negative than the theoretical?
What gives an ionic bond more covalent character?
Define electronegativity
How is the polarity of a bond calculated?
Define the enthalpy of hydration
Define the enthalpy of solution
What is the enthalpy of solution for a soluble substance?
How is enthalpy of hydration increased?
What is entropy?
How does entropy change as disorder increases?
What affects the entropy of a substance?
How does stability change as entropy increases?
What is the first law of thermodynamics?
State the second law of thermodynamics
State the third law of thermodynamics
How would you calculate the entropy change of a system?
How would you calculate the entropy change of surroundings?
How would you calculate the total entropy change?
What is the entropy change of a spontaneous reaction?
What is the equation used to find the free energy change of a reaction?
How can you tell how feasible a reaction is?
When ∆H is negative and ∆S is positive, how feasible is the reaction?
When ∆H is negative and ∆S is negative, how feasible is the reaction?
When ∆H is positive and ∆S is positive, how feasible is the reaction?
When ∆H is positive and ∆S is negative, how feasible is the reaction?
What equation can be used to find the equilibrium constant of a reaction using Gibb's Free Energy?
Which direction would a reaction go if the equilibrium constant was greater than 1?
Which direction would a reaction go if the equilibrium constant is smaller than 1?
Why would a reaction with a negative ∆G not occur?
Define enthalpy change
Define enthalpy of formation
Define enthalpy of combustion
Define enthalpy of neutralisation
How would you calculate enthalpy change?
State Hess' law
Define bond enthalpy
How would you calculate enthalpy change using bond enthalpies?
