WorksheetsREVIEW: Unit 2
Total questions: 67
Worksheet time: 1hrs 11mins
Are made from a combination of 2 or more different elements in a constant ratio...
Atoms
A combination of substances that can be separated by physical processes is a .....
What type of matter is this?
pure substance
element
compound
Italian Salad is what type of matter?
element
pure substance
element
Kool-Aid is what kind of substance?
Pure substance
Carbon is what type of matter?
Moluecule
Identify the substance:
Element
Compound
Homogeneous mixture
Heterogeneous mixture
Identify the substance:
compounds
pure substance
mixture
diatomic element
molecules
Matter can be broken down into these two categories:
Mixture
Pure substance
Energy
Plasma
Compounds
elements
compounds
heterogeneous
homogeneous
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
elements
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
Identify the type of matter:
Solid
Liquid
Gas
Identify the type of matter:
Solid
Liquid
Gas
Identify the type of matter:
Solid
Liquid
Gas
The change of state in which a solid becomes a liquid is called (a)
The change of state in which a liquid becomes a solid is called (a)
Characteristic of a substance that can be observed or measured without changing its identity
A substances potential to change based on its composition
boiling point
density
melting point
color
reacts violently with water
flammable
corrosive
caustic
very little energy
a little more energy
lots of energy
-Definite Shape
-Definite volume
-Shape of container -Definite volume
-Particles slide past one another
-No shape
-No volume
-Easily compressed
When the volume on a gas is halved, the pressure will (a)
remain unchanged
When the volume on a gas is doubled, the pressure will (a)
remain unchanged
When the temperature on a gas is halved, the pressure will (a)
remain unchanged
When the temperature on a gas is tripled, the pressure will (a)
remain unchanged
When the temperature on a gas is quadrupled, the volume will (a)
remain unchanged
The change of state in which a liquid becomes a gas is called (a)
A 7793 mL sample of SeF6 experiences a change in pressure from 4.4915 atm to 7.679 atm. What is the resulting volume in liters? DON'T FORGET UNITS. ANSWER WITH THREE (3) SIGNIFICANT FIGURES
(a)
The change of state in which a gas becomes a liquid is called (a)
The change of state in which a gas becomes a solid is called (a)
A sample of CO in a metal container at 4.86 atm has its temperature changed from 733 °C to 1114.8 K. What is the final pressure in atmospheres? DON'T FORGET UNITS. ANSWER WITH THREE (3) SIGNIFICANT FIGURES
(a)
The temperature of 27.31 L of CH3Cl is changed from 617.5 °C to 448 °C. During this, the pressure also changes from 208.6 kPa to 825.8 kPa What is the new volume of the gas in liters? DON'T FORGET UNITS. ANSWER WITH THREE (3) SIGNIFICANT FIGURES
(a)
The temperature of 25 L of I2 is changed from 1110 K to 294.51 °C. What is the new volume of the gas in liters? DON'T FORGET UNITS. ANSWER WITH TWO (2) SIGNIFICANT FIGURES
(a)
The temperature of BF3 is changed from 18 °C to 244 °C. If its new volume is 2580 mL, what was its original volume in milliliters? DON'T FORGET UNITS. ANSWER WITH TWO (2) SIGNIFICANT FIGURES
(a)
The change of state in which a solid becomes a gas is called (a)
Anything that has mass and volume (takes up space):
(a)
Identify the substance:
Element
Compound
Homogeneous mixture
Heterogeneous mixture
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
Draw a mixture of elements:
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
elements
Draw a pure substance composed of diatomic molecules:
Draw a mixture of compounds and elements:
Draw a mixture of compounds:
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
Identify the substance:
compounds
pure substance
mixture
diatomic elements
molecules
element
Identify the type of matter:
Solid
Liquid
Gas
Identify the type of matter:
Solid
Liquid
Gas
Identify the type of matter:
Solid
Liquid
Gas
Between which points is the temperature of the substance remaining constant? (a)
Describe the substance at letter A. (a)
At which letter is the substance changing its state of matter?
A only
A, C, and E
D and E
B and D
The melting point of the sample is
-60 ºC
20 ºC
60 ºC
100 ºC
NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?
0°C
801°C
1000°C
1465°C
How many states of matter are present during line segment BC?
One
Two
Three
Depends on the temperature
Which letter indicates where water is in both the solid and liquid phase at the same time?
A
B
C
D
E
In which region(s) of the heating curve would water be a liquid and a gas at the same time? (a)
