Chemical Thermodynamics Module 5 Review Questions with complete Solutions
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Course
Chemical Thermodynamics
Institution
Chemical Thermodynamics
Chemical Thermodynamics Module 5 Review Questions with complete Solutions
temperature is directly related to - Answers kinetic energy
how can two substances have the same kinetic energy and different velocities - Answers different masses
in a gas distribution at a lower temperature - Answers mo...
Chemical Thermodynamics Module 5 Review Questions with complete Solutions
temperature is directly related to - Answers kinetic energy
how can two substances have the same kinetic energy and different velocities - Answers different
masses
in a gas distribution at a lower temperature - Answers more particles have lower energy
in a gas distribution at a higher temperature - Answers more particles have higher energy
the average KE of particles in a high temperature system is - Answers larger than the average KE of the
particles in a low temperature system
thermal equilibrium - Answers when there is no further transfer of heat from hot substances to cold,
this is an average temperature for the sample, there are still individual temperatures for particles, delta
G=0
how can the KE change between substances be equal but they have different changes in temperature -
Answers specific heat capacity
specific heat capacity - Answers the amount of energy required to raise 1g of a substance by 1C
q = - Answers mc(deltaT)
calorimetry - Answers experiment to determine energy changes, endo/exo thermic systems
two ways to perform calorimetry - Answers chemical reaction beneath heat bath or in an aqueous
solution
what represent surroundings in calorimetry - Answers heat bath/ water in solution
if heat bath/water temperature increases - Answers exothermic reaction
if heat bath/water temperature decreases - Answers endothermic reaction
energy lost/gained by the system = - Answers energy lost/gained by surroundings
the point at which a covalent bond is formed - Answers distance where the forces of attraction and
repulsion result in the lowest, most stable PE.
distance when bond is formed = - Answers bond length
energy when bond is formed = - Answers bond strength
BDE - Answers bond disassociation energy, energy required to break a bond
why do individual BDE's vary - Answers the environment in which the reaction is carried out is different
each time
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