Entropy
Energy
Gibbs Free Energy
Spontaneity
100

What happens to entropy when a solid is dissolved in water?

Entropy increases

100

What part of a molecule holds potential energy

bonds
100

A negative ΔG represents what kind of reaction?

Exothermic

100
True or False: Spontaneous means a reaction occurs instantly

False

200

What does entropy measure in a system?

Disorder

200

Difference between catabolism and anabolism

catabolism breaks down, anabolism builds up

200

What equation is used to find ΔG?

ΔH-TΔS

200

A reaction consumes energy, is is spontaneous?

No, it is non spontaneous

300

Which of the following has the highest entropy?

A) Ice at 0 °C

B) Water at 25 °C

C) Water Vapor at 100 °C

D) Liquid Nitrogen at -196 °C

C) water vapor at 100 °C

300

What kind of reaction releases energy?

A) exothermic

B) Endothermic

C) neither

A) exothermic

300

What unit of temperature is used in the ΔG equation?

Kelvin

300

Is an exothermic reaction spontanous or not?

Spontaneous

400

Which state of matter has the lowest entropy?

A) Gas

B) Liquid

C) Solid


C) solid

400

ATP is dissociates into

ADP and a phophate

400

Define each variable in the ΔG equation

ΔG = Gibbs free energy

ΔH = enthalpy

ΔS =entropy

T= temperature (K)

400

A reaction has a -ΔG, was it spontaneous?

Yes it was spontaneous