Thermochemistry

Question 1

part of the universe on which we wish to focus our attention

Answer 1

system

Question 2

everything else in the universe

Answer 2

surroundings

Question 3

the capacity to do work or to produce heat

Answer 3

energy

Question 4

energy due to position or compositions

Answer 4

potential energy

Question 5

energy of object due to its motion (mass and velocity)

Answer 5

kinetic energy

Question 6

involves the transfer of energy between two objects due to difference in temperature

Answer 6

heat

Question 7

force acting over a distance

Answer 7

work

Question 8

the manner in which energy transfer is divided between transfer is divided between work and heat
-ex: ball rolling down hill

Answer 8

pathway

Question 9

property of a system that depends only on its present state

Answer 9

state functions

Question 10

evolution of heat

Answer 10

exothermic

Question 11

absorption of heat

Answer 11

endothermic

Question 12

the energy of the universe is constant

Answer 12

first law

Question 13

sum of the kinetic and potential energies of all the “particles” of a system

Answer 13

internal energy