Phases
What are the 3 Phases of Matter?
Solid liquid and Gas
When going from a liquid to solid you use Heat of _________
Fill in the Blank
Fusion
Sketch a graph for pressure vs volume using the combined gas law
it should be a decreasing line
What is one of the 2 categories that matter is broken down into?
What are the 2 types of Properties?
Chemical and Physical
List the states of matter in order of decreasing energy.
gas, liquid, solid
How much energy is required to boil 1 gram of water.
2260 J
If I were to double Pressure what would happen to the volume?
The volume would be halved
When Salt is completely dissolved in water what is it classified as?
Homogeneous mixture or solution
Hydrogen gas burns in air. Is this a physical or chemical property.
Chemical
The drawing should show the gas dots randomly distributed on the board
How many joules of energy are required to boil 45 grams of water?
101700 J
A 1 Liter flask contains a mixture of 2 gasses with a total pressure of 4.0 atm. One gas has a partial pressure of 1.5 atm. What is the other gasses partial pressure?
2.5 atm
Define a Heterogeneous Mixture
Not evenly mixed, has a clear seperation
Define Aqueous
A solution where water is the solvent
On a phase diagram what part of the graph represents the matter in ONE state?
The slants
How many joules of energy are required to melt 224 grams of water?
74816 J
If I initially have 23 L of a gas at a pressure of 4.6 atm, what will the volume be if I increase the pressure to 7 atm?
17.7 L
What Type of matter CANNOT be broken down further
An Element
At what conditions will gases act most ideally?
low pressure and high temperature
What is happening to kinetic and potential energy during a phase change?
Kinetic energy is constant potential is increasing
How many joules of energy are required to heat 45 grams of water from 75 ̊C to 100 ̊C?
4702.5 J
A gas with a volume of 350. mL at 30°C and 101.3 kPa is heated to 57°C and the pressure is increased to 151.3 kPa. What is its new volume?
255.2 mL
Name one lab technique we can do to physically separate a mixture.
Chromatography, filtration, distillation
What is temperature a measure of?
kinetic energy