Definitions
Practice Problems
Equations
Phase Change
100
Definition of Triple Point?
What is a point at which all 3 states of matter exist at a equilibrium
100
True or False?
Gases are always ideal.
What is false
100
What is the equation for specific heat?
What is q=mc
100
Define melting
What is the process of a solid turning into a liquid.
200
Definition of Critical Point?
What is the point at which two phases of a substance initially become indistinguishable from one another; no phase boundary
200
At what temperature does ice start to melt?
What is 0 degrees celsius
200
What is the ideal gas law equation? Label what each letter represents.
What is PV = nRT
200
The process of a liquid turning into a gas.
What is vaporization.
300
Definition of Equilibrium?
What is a dynamic state where the concentration of all reactants remains constant
300
What is the energy required for 3.37 grams of gold to increase from 5.2c to 8.6c?
*see reference table for hint*
What is...
J=(3.37g)(0.129j/gc)(3.4c)
J=1.5
300
Equation for combined gas law?
What is
300
Define condensation.
What is when a gas turns into a liquid.
400
Definition of Specific Heat?
What is the amount of energy required to increase the temperature of 1 gram of a substance by 1°C
400
A gas at -51C, 6 atm, and 17mL is heated to 280K and a volume of 21mL. What is new pressure?
What is...
(6atm)(17mL)/222K = (P)(21mL)/280K
28,560 = 4,662P
6.12atm = P
400
Equation for melting or freezing water?
What is q= m Hf
400
When a gas turns into a solid.
What is deposition.
500
Draw The Heating curve of Water?
500
If you have 2.3g of potassium phosphate at a pressure of 5.6atm and 10L, what is the temperature?
What is...
PV = nRT
2.3K3PO4(1mol K3PO4/212.27g K3PO4) = .01mol
(5.6atm)(10L)=(.01mol)(0.0821)(T)
56 =.000821T
T = 68,209
500
Equation for condensing or vaporizing water?
What is q = mHv
500
When a solid turns into a gas.
What is sublimation.