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WorksheetsChemistry Final Test Review
Total questions: 10
Worksheet time: 4mins
What type of reaction is
CH4 (g) + 2 O2 (g) → CO2 + 2 H2O (g) + energy ?
Combination
Decomposition
Single Replacement
Double Replacement
Combustion
In the following reaction, what is being oxidized?
4 Al + 3 O2→ 2 Al2O3
Al
O2
Al2O3
Both Al and O2
If 6.0 moles of CO2 are produced, how many moles of O2 reacted?
C2H4 + 3 O2 → 2 CO2 + 2 H2O
2.0 moles
6.0 moles
9.0 moles
18.0 moles
Which of the following compound(s) would you expect to be soluble in water?
Na2SO4
Gasoline (non polar)
I2
sugar
Na2SO4 and sugar
How many equivalents is 3 moles of CO32- ?
2.0 Eq
3.0 Eq
6.0 Eq
9.0 Eq
The solubility of gases,
Is not affected by temperature.
Increases as temperature increases.
decreases as temperature increases.
decreases as temperature decreases.
According to the kinetic molecular theory, if you decrease the volume of a gas at constant temperature, the pressure will increase because the gas molecules _____.
strike the container walls more often
strike the walls with less force
lose kinetic energy
increase in size
If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed?
1 L
2 L
3 L
4 L
The nuclear reaction 85B → 84Be + 0+1e is an example of ______.
Gamma radiation
Positron emission
Beta decay
Alpha decay
An alpha particle is the same as a _____.
helium 5- nucleus
helium-4 nucleus
helium-3 nucleus
proton
