CST

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CST Double Jeopardy
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Nuclear Chemistry
Organic and Not?
Ill Tke my Chances
Thermo- dynamics
I Love Chemistry
Periodic Table
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400
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Cegoy Slide
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Periodic Table - 200

• In the periodic table, halogens are located in
  column (group)
• 1A
• 2A
• 8A
• 7A

What is B?
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Periodic Table - 400

• Which element would have the same chemical
  properties of oxygen?
• Nitrogen
• Sulfur
• Hydrogen
• Carbon

What is B.
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Periodic Table - 600

• As one moves down the elements in the first
  column of the periodic table, the
• Atomic number of the elements increases.
• Reactivity of the elements decreases.
• Atomic mass of the elements decreases.
• Number of electrons available for bonding
  decreases.

What is A.
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Periodic Table - 800

• According to the graph, which element has the
  strongest attraction (highest electronegativity)
  for electrons?
• Aluminum (atomic 13)
• Boron (atomic number 5)
• Oxygen (atomic number 8)
• Sulfur (atomic number 16)

What is C, Oxygen.
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Periodic Table - 1000

• The periodic table is organized into blocks
  representing the energy sublevel that is being
  filled with valence electrons. In the periodic
  table, which block represents the s sublevel?
• W C. Y
• X D. Z

What C, Y.
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Nuclear Chemistry - 200

• Which is not a common form of radioactive decay?
• Alpha C. Delta
• Beta D. Gamma

What is C, Delta.
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Nuclear Chemistry - 400

• Gamma particles
• penetrate less than alpha particles
• penetrate less than beta particles
• C. Are the least penetrating of all radioactive
  decay
• D. Are the most penetrating of all radioactive
  decay

What is D.
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Nuclear Chemistry - 600

• Alpha particles
• Have a charge of 1.
• Have a mass of 2.
• Are not deflected in an electrical field.
• Can be stopped by a piece of paper.

What is D.
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Nuclear Chemistry - 800

• Which is most likely to be radioactive?
• Isotope formed in a nuclear reaction
• Isotope of carbon
• Metal formed by ores
• Salt formed from potassium

What is A.
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Nuclear Chemistry - 1000

• Ernest Rutherford thought that most of the mass
  of an atom is contained in the nucleus. He based
  this theory on an experiment during which
  positively-charged particles
• Passed unchanged through gold foil.
• Changed directions as they passed through gold
  foil.
• Were stopped by gold foil.
• Bounced back after striking gold foil.

What is B.
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Organic Chemistry - 200

• Starch is composed of many molecules of
• Aldehydes C. Ketones
• Amino acids D. Monosaccharides

What is D, monosaccharides.
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Organic or Not? - 400

• Proteins are made from strings of
• Amino acids
• Carboxyl groups
• Esters
• Nucleic acids

What is A, amino acids.
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Organic or Not? - 600
How many moles of CH4 are contained in 96.0 grams
of CH4 ? A 3.00 moles B 6.00 moles C 12.0
moles D 16.0 mole
What is B, 6.00 moles
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Organic or Not? - 800
How many moles of chlorine gas are contained in
9.02 1023 molecules? A 1.5 moles B 2.0
moles C 6.02 moles D 9.03 moles
What is A, 1.5 moles.
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Organic or Not? - 1000
Fe2O3 3CO ? 2Fe 3CO2 In this reaction, how
many grams of Fe2O3 are required to completely
react with 84 grams of CO? A 64 g B 80 g C
160 g D 1400
What is C, 160g.
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Ill Take My Chances - 200

• How many electrons do the elements in the last
  column of the periodic table have available for
  bonding?
• 0 C. 8
• 2 D. 18

What is A, 0 (noble gases).
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Ill Take My Chances - 400

• Balance the following equation. In this equation,
  the question mark should be replaced by the
  number.
• 2KClO3 --gt 2KCl ?O2
• 1 C. 3
• 2 D. 6

What is C, 3.
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Ill Take My Chances - 600

• A Bronsted-Lowry base is to a hydrogen-ion
  acceptor as a Bronsted-Lowry acid is to a(n)
• Hydroxide-ion producer.
• Hydroxide-ion donor
• Electron-pair donor
• Hydrogen-ion donor.

What is D.
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Ill Take My Chances - 800

• Suppose 8 moles of solute is dissolved
• in 2 L of solution. What is the molarity?
• 2 M
• 4M
• 8M
• 16M

What is B.
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Ill Take My Chances - 1000

• The diagram shows a chemical equation
  representing a chemical reaction. The name and
  mass of each substance involved in the chemical
  reaction are also shown. What mass of
  hydrochloric acid was produced in this reaction?
• 24.0 g C. 48.0 g
• 36.5 g D. 73.0 g

What is B, 36.5g.
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Thermodynamics - 200

• Which is always true of an endothermic reaction?
• Chemical bonds are broken.
• Energy is released.
• Light is created.
• Energy is absorbed.

What is D, energy is absorbed.
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Thermodynamics - 400

• How will adding salt to water affect the freezing
  point of water?
• It will lower the freezing point.
• It will raise the freezing point.
• It will not affect the freezing point.
• Water will not be able to freeze.

What is A, lower the freezing point.
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Thermodynamics - 600

• When a material freezes, energy
• Is absorbed by the material.
• Is released by the material.
• Is absorbed by a catalyst.
• Remains unchanged.

What is B, Released.
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Thermodynamics - 800

• Which of these phase changes does not
• involve the absorption of heat energy?
• Boiling
• condensation
• melting
• vaporization

What is B.
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Thermodynamics - 1000

• How much heat in joules does it take to raise
  100g of water from 25oC to 35oC? (The specific
  heat of water is 4.180J/goC.)
• qmc?T
• 41.8 J C. 4180 J
• 418 J D. 41,800 J

What is C.
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I Love Chemistry - 200

• As temperature of a gas increases, the molecules
  of the gas
• Increase in size
• Lose energy
• Move faster
• Repel each other

What is C.
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I Love Chemistry - 400

• In order for equilibrium to occur,
• a reaction must be
• Organic
• Reversible
• Endothermic
• Exothermic

What is B.
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I Love Chemistry- 600

• Which temperature represents absolute zero?
• 0oC C. 0K
• 100oC D. 273K

What is C, 0K.
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I Love Chemistry - 800

• Niels Bohr proposed that an atom contains
• A fixed number of neutrons
• Electrons in a specific energy level.
• Protons scattered throughout the atom.
• Electrons scattered through the atom.

What is B.
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I Love Chemistry - 1000

• Coffee contains 1.0 x 10-5M of hydrogen ions.
  What is the pH?
• 1.0 C. 5.0
• 4.0 D. 9.0

What is C.
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