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Each group will start with 30,000 points. If you get a question wrong, those points will be deducted from your score. The only points that will be added to your score are during the double jeopardy round. You will total up your score at the end of the game. Final Jeopardy Category is….
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Each group will start with 30,000 points. If you get a question wrong, those points will be deducted from your score. The only points that will be added to your score are during the double jeopardy round. You will total up your score at the end of the game
Final Jeopardy Category is… Heating/Cooling Curves
Final Jeopardy a. 5OC b. 5OC c. b and d • What is the Melting Point • What is the Freezing Point • What letter(s) show a change in PE?
$400 Beaker Y Which beaker contains molecules with the highest average kinetic energy? 50oC
$800 B Which model below represents a mixture of elements in both the gas and solid phase? A B C
$1200 C. Melting • Which phase change is endothermic? • Deposition • Condensation • Melting • Solidification
$1600 From hot to cold In which direction will heat spontaneously flow?
$2000 2508 J A beaker contains 10g of water at 20oC. How many joules are needed to heat the water to 80oC?
$400 1
$800 .67 moles A sample of gas has a volume of 15.0 L at STP. How many moles does it contain?
$1200 0.5 atm A sample of gas has a volume of 2.0 L at a pressure of 760 mmHg. When the volume increases to 4.0L, at constant temp., the pressure will be? (answer in atm)
$1600 95 kPa What total pressure does a mixture of oxygen, methane, and nitrogen exert at 0oC if oxygen has a partial pressure of 20kPa, nitrogen has partial pressure of 40kPa, and methane has partial pressure of 35 kPa.
$2000 Low temp and high pressure Under which conditions does a real gas NOT behave like an ideal gas?
$400 1
$800 2
$1200 HF • Which has a higher boiling point • HF • CH4 • Ar • CO2
$1600 Ethanoic Acid The boiling point of water is 100oC and the boiling point of ethanoic acid is 117oC. Which compound has stronger intermolecular forces?
$2000 Acetone Of the compounds below, name the one that would be held together by dipole-dipole interactions
$400 147N 146C 0-1e + ________
$800 Fusion • Name this type of Artificial Transmutation • 21H +11H 42He + 2 11H + energy
$1200 10g The half-life of K-42 is 12.4 hours. How much of a 320g sample is left after 62 hours
$1600 Gamma This particle does not affect the atomic number or the mass number
$2000 0+1e + 3719K 3720Ca ______ + _______
$400 Decrease As your move across a row in periodic table from (from metals to nonmetals), the atomic radii… Increase, decrease, or remain the same
$800 Alkaline Earth Metals Which group in the periodic table contains elements with 2 valance electrons?
$1200 Decreases As you move down group 17 (7A), ionization energy… Increase, Decreases, or remains the same
$1600 A • Which statement is true? • Chloride Ion is larger than a Chlorine atom • Bromide Ion is smaller than a Bromine atom • Sodium Ion is larger than a Sodium atom
$2000 B • Which trends appear as the elements in period 4 are considered from right to left • Metallic properties increase, electronegativity increases • Metallic properties increase, electronegativity decrease • Metallic properties decrease, electronegativity increases
$400 C4H9 What is the empirical formula for C8H18
$800 2. A and C question
$1200 27.3 % A student determined the specific heat of zinc to be 0.494 J/goC. The accepted value for the specific heat of zinc is 0.388 J/goC. What is the students percent error?
$1600 3340 J How many Joules are needed to completely melt 10g of ice at 0OC?
$2000 79.904 = (79)(.5069) + (X)(.4931) X= 80.8 amu Bromine has two naturally occurring isotopes. Bromine-79 is 50.69% abundant. Using the atomic mass reported on the periodic table, determine the mass of Bromine’s other isotope (to 1 decimal place)
Daily Double you can wage up to $2000 33.4 kJ How many kilojoules are needed to completely melt 100g of ice at 0OC?
Daily Double you can wage up to $2000 0.5 atm A sample of gas has a volume of 2.0 L at a pressure of 760 mmHg. When the volume increases to 4.0L, at constant temp., the pressure will be? (answer in atm)
