JeopardyChemical Physical Formulas Equations Chemistry
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Q $500 Q $500 Q $500 Q $500
Final Jeopardy
$100 Question from H1
What makes a chemical propertydifferent from a physical property?
$100 Answer from H1
Formation of a new substance
$200 Question from H1
Chemical changes involve the breakage of formation of what?
$200 Answer from H1
Chemical bonds
$300 Question from H1
Why does an oxygen ion have a charge of 2-?
$300 Answer from H1
Because it gains 2 electrons from a metal it is combining with
$400 Question from H1
When chemical bonds break in a reaction, is it a endothermic or exothermic reaction?
$400 Answer from H1
Endothermic, it takes in energy from the surroundings
$500 Question from H1
Chemical changes occur when one of 2 things happen to the chemical bonds of the reactants. What are they?
$500 Answer from H1
When bonds break or new bonds are formed
$100 Question from H2
A piece of metal is heated to a high temperatureand changes to a liquid. What kind of change is this?
$100 Answer from H2
Physical
$200 Question from H2
When 2 solutions are poured into the same container and a powdery solid forms. What is the formation called?
$200 Answer from H2
A precipitate
$300 Question from H2
Define matter.
$300 Answer from H2
Anything that has mass and takes up space
$400 Question from H2
The only sure evidence for a chemical reaction is what?
$400 Answer from H2
The formation of a new substance
$500 Question from H2
CaCO₃ represents what?
$500 Answer from H2
A chemical formula of a compound
$100 Question from H3
What do chemical formulas show us? Example: 1H₂O
$100 Answer from H3
The number of molecules and atoms of elements in a substance
$200 Question from H3
How do chemical formulas get changed?
$200 Answer from H3
Through chemical reactions
$300 Question from H3
What type of reaction breaks a single compound into 2 new compounds
$300 Answer from H3
Decomposition reaction
$400 Question from H3
In chemical reaction, what does the principle of conservation of mass mean?
$400 Answer from H3
The total mass of reactants is equal to the total mass of the products
$500 Question from H3
A chemical reactions that absorbs energy from it’s surroundings is called what?
$500 Answer from H3
An endothermic reaction
$100 Question from H4
Which of the following is a balanced equation?A. H₂ + O₂ H₂OB. Na₂ + Cl NaClC. CH4 + 2O2 CO₂ + 2H₂O
$100 Answer from H4
C.
$200 Question from H4
A bottle of hydrogen peroxide will eventually turn into a bottle of water and oxygen gas isan example of what?
$200 Answer from H4
A decomposition reaction
$300 Question from H4
What does a balanced chemical equation show?
$300 Answer from H4
That the atoms on both sides of an equation are balanced
$400 Question from H4
What type of reaction is the following: FeS + 2HCl FeCl₂ + H₂S
$400 Answer from H4
A double replacement reaction
$500 Question from H4
What is the chemical equation for the following statement: Iron reacts with oxygen in a 2 to 3 ratio
$500 Answer from H4
2Fe + 3O Fe₂O₃
$100 Question from H5
The substances listed on the left side of a chemical equation are called the what?
$100 Answer from H5
Reactants
$200 Question from H5
The number placed below a chemical symbol is called a what?
$200 Answer from H5
A subscript
$300 Question from H5
Complete the following statement:The amount of matter in a chemical reaction remains___________.
$300 Answer from H5
unchanged
$400 Question from H5
What is the process of synthesis?
$400 Answer from H5
Forming a more complex substance from simpler substances
$500 Question from H5
Every chemical reaction involves a change in what?
$500 Answer from H5
Energy
Final Jeopardy
How are text messages and chemical equations similar?
Final Jeopardy Answer
Both use easy, shorthand methods to communicate ideas and they also usesymbols instead of words.