# Bioenergetics Flashcards

what is enthalpy?

a function related to heat transfer and work expenditure in the system

what is ΔH?

change in Enthalpy

negative ΔH implies?

heat is lost by the system

positive ΔH implies?

heat is gained by the system

negative ΔH favorable or unfavorable? exothermic or endothermic?

favorable; exothermic

positive ΔH favorable or unfavorable? exothermic or endothermic?

unfavorable; endothermic

an ordered state is low or high entropy?

low

a disordered state is high or low?

high

increase or decrease in entropy is always favored?

increase

what is ΔS?

change in Entropy

what does negative ΔS mean?

the system has become more ordered

what does positive ΔS mean?

the system has become less ordered

is negative ΔS favored or unfavored?

unfavored

is positive ΔS favored or unfavored?

favored

is negative ΔS ordered or disordered?

ordered