Chapter 4: Energy Transfer Flashcards Preview

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Flashcards in Chapter 4: Energy Transfer Deck (14):
1

energy of an object in motion

kinetic energy

2

stored energy

potential energy

3

study of energy and its transformations

thermodynamics

4

does not exchange matter or energy with its surroundings

isolated system

5

exchanges energy with its surroundings

closed system

6

exchanges both energy and matter with its surroundings

open system

7

energy can be transformed from one form to another, or transferred from one place to another, but it cannot be created or destroyed

first law of thermodynamics

8

the total disorder (entropy) of a system and its surroundings always increases

second law of thermodynamics

9

a chemical or physical reaction that will occur without an input of energy

spontaneous reaction

10

reactions that release energy

exothermic

11

reactions that absorb energy

endothermic

12

the potential energy in a system

enthalpy

13

the portion of a system's energy that is available to do work

free energy

14

consists of the 5 carbon sugar ribose linked to the nitrogenous base adenine and a chain of three phosphate groups

adenosine triphosphate (ATP)