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Unit 1
Unit 2
Unit 3
Unit 4
Mix it up
100
Physical
Color, freezing point, and hardness are all examples of ____________ properties
100
Pressure increases
What happens to the pressure inside a balloon if the temperature of the air increases? (Volume stays constant)
100
Heat is transferred from warmer metal to eater, so metal temp goes down and water warms
A piece of metal is heated and submerged into water. What happens to the temperature of the metal? Of the water?
100
Compound
Electrolysis can be used to separate this
100
0 deg C, 1atm
What is the temperature and pressure at STP
200
2, 4, 3, 3
How many significant figures are in each of the following numbers: 0.0023 1.004 0.120 203
200
Pressure, temperature, volume
The combined gas law relates which 3 variables?
200
pressure, temperature, volume
The combined gas law relates which 3 variables?
200
Mixture
The composition of this substance is variable depending on composition, can be homogenous or heterogeneous
200
Democritus
Who said that matter consists of tiny, indivisible, indestructible particles called atoms
300
The Law of Comservatiom of Matter/mass
Which law states that matter cannot be created nor destroyed
300
Specific heat
The quantity of heat required to change the temperature of 1g of a substance by 1 deg C is called
300
71.6%
If 60.6g of Hg combines completely with 24.0g of Br to form a compound, what is the mass % composition of Hg in the compound?
300
1.26 x 10 ^-9
What is this number, 0.000 000 000 126 in scientific notation?
400
Precise
If the mass of a 2.0g block is massed 3 times and each time the scale reads 2.65g, is the scale accurate of precise?
400
.479L
A gas occupies a volume of 2.61L at 13.8kPa. What volume will the gas occupy at 75.2kpa? Sig figs count!
500
A mixture of molecules Molecules of an element Solid compound
Particle diagrams