recycle ball one team picks a category and a point value. 15 seconds to discuss with team. i will...
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formulasmolesheatsolutionsgases Jeopardy Trash BallTRANSCRIPT
Recycle Ball• One team picks a category and a point value.
• 15 seconds to discuss with team.
• I will randomly draw a name from the team to answer the question – no more discussions with group!
• If the team gets the correct answer, they get to shoot for more points.
100 points
200 points
formulas moles heat solutions gases
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Jeopardy Trash Ball
formulas : 100In which chemical bond
are the electrons shared?
Back
Answer: Covalent Bond
Back
When an ionic bond forms, what happens to
valence electrons?Answer: They are transferred
(from the metal to the non metal)
formulas : 200
Back
ionic bonds typically form between a metal and a
___________ .
Answer: non-metal
formulas : 300
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What is the correct formula when barium and fluorine
combine?
Answer: BaF2
formulas : 400
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What is the chemical formula when iron (II) and
nitrogen form a bond?Answer: Fe3N2
formulas : 500
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How many atoms are in 1 mole of Na?
ANSWER: 6.02 x
Moles : 100
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How many molecules are in 1 mole of NaCl ?
Answer: 6.02 x
Moles : 200
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What is the charge of the ion formed by the boron
group?
Answer: 3+
Moles : 300
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How many moles are in 5 grams of lithium?
Answer: .72 moles
Moles : 400
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How many grams are in .2 moles of copper?
Answer: 12.71g
Moles : 500
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In an endothermic reaction are the products higher or lower energy than the reactants?
Answer: higher
heat : 100
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Which requires more energy to happen:
exothermic or endothermic?
Answer: endothermic
Heat : 200
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How do you determine the ∆E of a reaction?
Answer: Eproducts - Ereactants
heat : 300
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What is the unit for energy used by scientists?
Answer: Joules
heat : 400
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The specific heat of water is 4.18 J/ g ∙ºC? What does this
tell us?Answer: It requires 4.18 Joules
of energy to increase the temperatureof 1g of water by 1ºC
heat : 500
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Which is less concentrated: 1M or 10M?
Answer: 1M
solutions : 100
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Name one way to increase the rate with
which a solution dissolves?
Answer: stir, heat, or increase SA
solutions : 200
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What equation would you use to solve for moles of
solute if you know the molarity and volume?
Answer: moles= liters x molarity
solutions : 300
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What is a solvent?
Answer: The liquid that the solute is Being dissolved in.
solutions : 400
What is the molarity when 5 moles of NaCl is dissolved in 5
liter of water?Answer:
1M
Back
solutions : 500
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Is the relationship between temperature and volume direct or inverse?
Answer: direct
gases : 100
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If I double the temperature of a gas, what happens to the
pressure?
Answer: it also doubles
gases : 200
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In our gas laws lab, we inverted a can in ice water. What happened to
the pressure inside the can?
Answer: it decreased
gases : 300
Answer: half “U”
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On a graph, does the relationship between pressure and volume look
like a straight line or a half “U”?
gases : 400
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Which gas law do we use when number of moles are involved?
Answer: ideal gas law: pv=nRT
gases : 500