Ch 2A-2 Flashcards
Energy of motion
Kinetic
The Ability to do work
Energy
Stored Energy
Potential
Energy can’t be created or destroyed
The First Law Of Thermodynamics
Kinetic Energy
Energy of Motion
Potential Energy
Stored Energy
Endothermic Reaction
Absorbs Heat
Gives off Heat
Exothermic Reaction
A ________ changes the rate of reaction but is not changed in the reaction
Catalysts
Solution
Homogeneous mixture of one or more substance
Movement of molecules from an area of higher concentration to a low concentration is ______
Diffusion
When the concentration evens out it is at a state of _______
Equilibrium
The difference between the number of one type of molecule in two adjacent areas is_____________
Concentration Gradient
Membrane that has pores that allow some things through and not others ___________
Semi peremable
Movement of water through a semipermeable membrane is _______
Osmosis
Energy which is required for diffusion and osmosis ________
Kentic
Acid is a compound that releases _______ in water
Hydrogen
Base is a compound that released _______ in water
hydroxide
When an acid and base are put together they
Neutralize
Acidity is expressed as ________ levels or numbers
Ph
Acid has a pH of ___ to ___
0 to 7
A base has pH of ___ to ___
7 to 14
why would you take an antacid
Too much acid in you
Substance that will combine h4 or OH- depending which is more abundant
Buffer
Buffer are used in living system to
Regulate Blood
Blood maintain a pH of ____ to ______ by the help of buffers
7:35 to 7:45
Enzymatic =
Enzymes
storage =
Stores energy
Structural
compounds that are used for buildings blocks
Organic compounds have _______ in them usually in conjunction with large quantities of _____ and _____
Carbon
Hydrogen
Oxygen
enzymes are proteins which serve
Catalysts for specific Reactions
catalysts speed or slow or slow a reaction enzymes also
Speed up
List the characteristics of enzymes
Protons
Work together
Very specific
