Review Game Zone
Games
Test
Preview
Back
Match it!
Match it! Select the correct answer from the pull down...Good luck!
In a chemical reaction, the mass of the products always __ the mass of the reactants.
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
A(n) __ occurs when oxygen combines with another substance.
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
The __ states that matter cannot be created or destroyed during a physical or chemical change.
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
A(n) __ is a substance that is produced during a chemical reaction.
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
The following word equation describes a chemical reaction in which hydrogen is produced. magnesium + hydrochloric acid - magnesium chloride + hydrogen What is the source of the atoms in the hydrogen gas produced by this reaction?
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
Which of the following equations does NOT demonstrate the law of conservation of mass?
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
Examine the following chemical equation, which shows only the reactions and one product. Zn + 2HCl - ZnCl2 + ? How many H atoms must be present in the second product that is formed?
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
What does the law of conservation of mass state?
hydrochloric acid
P4 + 5O2 2P4O10
law of conservation of mass
The total mass of the reactions equals the total mass of the products.
combustion reaction
equals
2
product
Check it!