Review Game Zone
Games
Test
Preview
Back
Match it!
Match it! Select the correct answer from the pull down...Good luck!
When substances are mixed, changes in heat energy provide evidence to show if a chemical reaction or a physical change has occurred. In chemical reactions, heat energy is often
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
What type of reaction is the following: CH4 + 2O2 = CO2 + 2H2O
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
Which statement correctly describes how the following chemical equation violates the law of conservation of mass? H2 + O2 → 2HO2
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
The mass of the reactants in a chemical reaction is 4.00 kg. After the reaction takes place completely, there will be __________.
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
What type of reaction is the following: Fe + S = FeS
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
In what kind of reaction does one element replace a similar element in a compound?
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
A + B ------ AB is what type of reaction?
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
In chemical reactions, the number of atoms in the product is __________.
the same as the number of atoms in the reactants
synthesis
synthesis
There are more oxygen atoms on the right side of the arrow then on the left side.
released or absorbed
single replacement
4.00 kg of products
combustion
Check it!