Test_thermodynamics

Frage	Antworten
A measurement of the energy content of a system	Enthalpy
When the forward rate of a chemical reaction is the same as the reverse rate. This only takes place in reversible reactions because these are the only type of reaction in which the forward and backward reactions can both take place.	Equilibrium
A measurement of the randomness in a system	Entropy
A biological molecule that catalyzes reactions in living creatures	Enzyme
It's the same thing as the Law of conservation of energy.	The First law of thermodynamics
The amount of heat required to increase the temperature of one gram of a substance by one degree.	Heat capacity
The temperature and pressure at which all three states of a substance can exist in equilibrium.	Triple point
A change that occurs by itself.	Spontaneous change
When a compound combines with oxygen gas to form water, heat, and carbon dioxide	Combustion
When the 3-D structure of a protein breaks down due to heat (or pH, etc), it's said to be denatured. This means that it unravels because the intermolecular forces between atoms in the chain aren't strong enough to hold it together anymore.	Denature
A chart which shows how the phase depends on various conditions of temperature and pressure.	Phase diagram
The state of a compound (solid, liquid, or gas)	Phase
When you boil a liquid.	Vaporization
When a vapor reforms a liquid. This is what happens on your bathroom mirror when you take a shower.	Condensation
It is a line graph that represents the change of phase of matter, typically from a gas to a solid or a liquid to a solid.	A cooling curve
When a solid can change directly into a gas. Dry ice does this.	Sublimation
Phase change	Phase transition
It is the physical process by which a protein chain acquires its native 3-dimensional structure, a conformation that is usually biologically functional, in an expeditious and reproducible manner.	Protein folding
It is the thermodynamic property of a system that changes by an amount equal to the work done on the system when it suffers an adiabatic change. It is the sum of the kinetic and potential energies of its constituent atoms, molecules, etc.	Internal energy
The pressure of a substance that's present above it's liquid.	Vapor pressure

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	Erstellt von Anna Chernova vor mehr als 7 Jahre