Term
| What are the 5 properties of water? |
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Definition
1)Polar
2)Liquid at high temperature
3)Ability to form hydrogen bonds with itself
4)Conducts electricity
5)Dissolves molecules |
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Term
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Definition
| The amount of something per unit of time |
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Term
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Definition
| The number of atoms in a molecule compared to the number of atoms in carbon-12 |
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Term
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Definition
| Amount of something per unit of volume |
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Term
| How are the boiling and freezing point of water affected by dissolved ions. |
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Definition
| Boiling point increases and freezing point decreases |
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Term
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Definition
| Amount of ions per unit of volume |
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Term
| How does a solution with high osmolarity affect cells? |
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Definition
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Term
| How does a solution with low osmolarity affect cells? |
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Definition
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Term
| How do plants and bacteria cells respond to the changing osmolarity of solutions? |
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Definition
| They have a cell wall to keep the internal osmolarity seperate |
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Term
| How do amoebas respond to the changing osmolarity of solutions? |
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Definition
| They have a contractile vacuole that expels water from the cell body |
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Term
| Heat is a type of _______ energy? |
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Definition
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Term
| What three things affect rate of reaction? |
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Definition
| Heat, surface area and concentration |
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Term
| What two things can cause a decomposition? |
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Definition
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Term
| What makes something a first order reaction? |
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Definition
| The concentration is directly proportional to the rate |
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Term
| What makes something a first order reaction? |
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Definition
| The concentration is equal to half the rate |
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Term
| What are the six different kinds of force? |
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Definition
| Kinetic, Heat, Chemical, Nuclear, Gravitational, Electrical |
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Term
| What is the lowest form of energy? |
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Definition
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Term
| Bond energy is also know as ______ energy? |
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Definition
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Term
| What is the first law of thermodynamics? |
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Definition
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Term
| What two equations go with the first law of thermodynamics? |
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Definition
Delta U = Q +W
Delta H = Delta U +P. Delta V |
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Term
| What does U mean in an equation? |
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Definition
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Term
| What does Q mean in an equation? |
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Definition
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Term
| What does W mean in an equation? |
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Definition
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Term
| What does H mean in an equation? |
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Definition
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Term
| What does P mean in an equation? |
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Definition
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Term
| What does V mean in an equation? |
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Definition
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Term
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Definition
| The amount of disorder in a system |
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Term
| What is the third law of thermodynamics? |
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Definition
| The molecule with the lowest entropy is a perfect ionic crystal at absolute zero |
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Term
| What is the second law of thermodynamics? |
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Definition
| Disorder always increases in an isolated system |
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Term
| What equation goes with the third law of thermodynamics? |
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Definition
| DeltaG = Delta H - T.Delta S |
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Term
| What does G mean in an equation? |
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Definition
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Term
| What does T mean in an equation? |
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Definition
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Term
| What does S mean in an equation? |
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Definition
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Term
| If Gibbs free energy is zero or below the reaction is said to be what? |
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Definition
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Term
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Definition
| X10 to the power of something |
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Term
| Adding exponents is equal to what? |
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Definition
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Term
| Subtracting exponents is equal to what? |
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Definition
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Term
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Definition
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Term
| If log10 (x) = Y then what is x? |
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Definition
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Term
| If log e (x) = Y then what is x? |
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Definition
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Term
| Water exists in equilibrium between which two molecules? |
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Definition
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Term
| What is the equation for Keq |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| The ionic product of water |
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Term
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Definition
| The negative log of the hydrogen ions |
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Term
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Definition
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Term
| What is the importance of pH? |
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Definition
| If the pH is known predictions about how molecules behave can be made more easily |
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Term
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Definition
| Acid equilibrium constant |
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Term
| What is the equation for Ka? |
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Definition
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Term
| What is the equation for pKa? |
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Definition
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Term
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Definition
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Term
| What is the Henderson-Hasselbach equation? |
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Definition
| pH = pKa + log10 ([A-]/[HA]) |
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