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Jeopardy ChemicalPhysicalFormulasEquations Chemistry Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy
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$100 Question from H1 What makes a chemical property different from a physical property?
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$100 Answer from H1 Formation of a new substance
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$200 Question from H1 Chemical changes involve the breakage of formation of what?
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$200 Answer from H1 Chemical bonds
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$300 Question from H1 Why does an oxygen ion have a charge of 2-?
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$300 Answer from H1 Because it gains 2 electrons from a metal it is combining with
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$400 Question from H1 When chemical bonds break in a reaction, is it a endothermic or exothermic reaction?
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$400 Answer from H1 Endothermic, it takes in energy from the surroundings
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$500 Question from H1 Chemical changes occur when one of 2 things happen to the chemical bonds of the reactants. What are they?
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$500 Answer from H1 When bonds break or new bonds are formed
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$100 Question from H2 A piece of metal is heated to a high temperature and changes to a liquid. What kind of change is this?
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$100 Answer from H2 Physical
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$200 Question from H2 When 2 solutions are poured into the same container and a powdery solid forms. What is the formation called?
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$200 Answer from H2 A precipitate
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$300 Question from H2 Define matter.
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$300 Answer from H2 Anything that has mass and takes up space
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$400 Question from H2 The only sure evidence for a chemical reaction is what?
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$400 Answer from H2 The formation of a new substance
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$500 Question from H2 CaCO ₃ represents what?
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$500 Answer from H2 A chemical formula of a compound
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$100 Question from H3 What do chemical formulas show us? Example: 1H ₂O
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$100 Answer from H3 The number of molecules and atoms of elements in a substance
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$200 Question from H3 How do chemical formulas get changed?
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$200 Answer from H3 Through chemical reactions
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$300 Question from H3 What type of reaction breaks a single compound into 2 new compounds
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$300 Answer from H3 Decomposition reaction
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$400 Question from H3 In chemical reaction, what does the principle of conservation of mass mean?
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$400 Answer from H3 The total mass of reactants is equal to the total mass of the products
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$500 Question from H3 A chemical reactions that absorbs energy from it’s surroundings is called what?
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$500 Answer from H3 An endothermic reaction
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$100 Question from H4 Which of the following is a balanced equation? A. H ₂ + O₂ H₂O B. Na₂ + Cl NaCl C. CH 4 + 2O 2 CO₂ + 2 H₂O
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$100 Answer from H4 C.
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$200 Question from H4 A bottle of hydrogen peroxide will eventually turn into a bottle of water and oxygen gas is an example of what?
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$200 Answer from H4 A decomposition reaction
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$300 Question from H4 What does a balanced chemical equation show?
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$300 Answer from H4 That the atoms on both sides of an equation are balanced
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$400 Question from H4 What type of reaction is the following: FeS + 2HCl FeCl ₂ + H₂S
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$400 Answer from H4 A double replacement reaction
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$500 Question from H4 What is the chemical equation for the following statement: Iron reacts with oxygen in a 2 to 3 ratio
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$500 Answer from H4 2Fe + 3O Fe ₂O₃
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$100 Question from H5 The substances listed on the left side of a chemical equation are called the what?
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$100 Answer from H5 Reactants
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$200 Question from H5 The number placed below a chemical symbol is called a what?
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$200 Answer from H5 A subscript
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$300 Question from H5 Complete the following statement: The amount of matter in a chemical reaction remains___________.
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$300 Answer from H5 unchanged
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$400 Question from H5 What is the process of synthesis?
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$400 Answer from H5 Forming a more complex substance from simpler substances
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$500 Question from H5 Every chemical reaction involves a change in what?
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$500 Answer from H5 Energy
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Final Jeopardy How are text messages and chemical equations similar?
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Final Jeopardy Answer Both use easy, shorthand methods to communicate ideas and they also use symbols instead of words.
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