Gne Chem

Question 1

Thermodynamics

Answer 1

heat-power or force
interaction between system and surrounding

Question 2

• It is a reaction that occurs on its own
• without intervention of an external
force.

Answer 2

Spontaneous reaction

Question 3

▪ This implies that rust
particles cannot be
converted into iron metal by
itself.
• It is a reaction that occurs on its own
• without intervention of an external
force.

Answer 3

nonspontaneous
reaction

Question 4

is the thermodynamic quantity of randomness or
disorder of particles-atoms, molecules or ions. It is related to the
number of possible arrangements for a given quantity of particles.

Answer 4

Entropy (S)

Question 5

is the
absolute entropy of 1 mole of a
substance at standard conditions (
1atm and 25°C).

Answer 5

Standard Entropy (S°)

Question 6

Order of increasing standard
entropy:

Answer 6

Solid<Liquid<Gas

Question 7

Molecules with greater number
of atoms have greater entropies
as a result of a greater number
of molecular motions

Answer 7

Standard Entropy

Question 8

▪ Bigger atoms have
greater entropies than
smaller atoms for having
smaller spacing between
energy levels.
▪ This property of bigger
atoms contribute to its
higher degree of
disorder.

Answer 8

Standard Entropy