Jeopardy Basic Chemistry Naming Stoichiometry Thermodynamics Other Q

Jeopardy Basic Chemistry Naming Stoichiometry Thermodynamics Other Q $100 Q $100 Q $200 Q $200 Q $300 Q $300 Q $400 Q $400 Q $500 Q $500 Final Jeopardy

$100 Question from Basic Chemistry (3. 23+7. 8) x 9. 978 a) b) c) d) e) 109. 8 110 109 110. 109. 76

$200 Question from Basic Chemistry What is the empirical formula for a molecule that is 60% Carbon, 8% Hydrogen, and 32% Oxygen? a) b) c) d) e) C 6 H 8 O 2 C 5 H 8 O 2 C 3 H 4 O C 4 H 4 O 4 CHO

$300 Question Basic Chemistry Which of the following is NOT a diatomic element? a) b) c) d) e) F 2 N 2 C 2 H 2 O 2

$400 Question Basic Chemistry Which is not a strong base? And which is not a strong acid? a) b) c) d) e) KOH Cs. OH Ca(OH)2 Mg(OH)2 Ba(OH)2 a) b) c) d) e) HCl. O 3 HBr H 2 CO 3 HI HNO 3

$500 Question from Basic Chemisty What is being the Reducing Agent in the following reaction: Cu(s) + 4 HNO 3(aq) Cu(NO 3)2(aq) + NO 2(aq)+ 2 H 2 O(l) a) b) c) d) e) Cu (s) HNO 3 (aq) Cu(NO 3)2 (aq) NO 2 (aq) H 2 O (l)

$100 Question from Naming What is the name of Fe 2 O 3? a) b) c) d) e) Iron oxide Iron (III) dioxide Iron dioxide

$200 Question from Naming What is the name of the molecular geometry of SF 5 -? a) b) c) d) e) Trigonal Bipyramidal Square planar See saw T-shaped Square base pyramid

$300 Question from naming Which of the following does not have the tetrahedral electron geometry? a) b) c) d) CH 2 O CF 3 OH PCl 3

$400 Question from naming What is pentanol? a) b) c) d) e) C 4 H 10 C 4 H 12 C 4 H 9 OH C 5 H 12 C 5 H 11 OH

$500 Question from naming What is the name of H 2 SO 2? a) b) c) d) e) Persulfuric acid Sulfurous acid Hyposulfurous acid Hydrosulfurous acid

$100 Question from Stoichiometry If you have 10. 0 g Na. Cl (mm=58) how many molecules are there? a) b) c) d) . 172 1. 03 x 1026 1. 04 x 1023 5. 8

$200 Question from Stoichiometry In the combustion of 9. 13 g CH 4 (mm=16) with excess oxygen, how much CO 2 (mm=44) is produced? a) b) c) d) e) 50. 2 g 3. 32 g 20. 5 g 25. 1 g 77. 1 g

$300 Question from Stoichiometry In the neutralization of 20 m. L. 7 M Ba(OH)2 with 15 m. L unknown concentrated HCl, what is the concentration of HCl? a) b) c) d) e) . 933 M 3. 73 M 1. 50 M 1. 87 M 1. 40 M

$400 Question from Stoichiometry Nitrogen fill a room which is 20 m 3, and at STP, what is the mass of the Nitrogen? a) b) c) d) e) 892 g 25. 0 kg 12. 5 kg 25. 0 g 892 kg

$500 Question from Stoichiometry In the reaction ___Na(s) + ___Cl 2(g) ___Na. Cl (s) If you have 93 g Sodium (mm=23) and 124 g Chlorine (mm=35. 5) what is the limiting reagent? a) Na (g) b) Na (s) c) Cl 2 (g) d) Na. Cl

$100 Question from Thermodynamics If 5. 3 k. J of work is done on a system and 740 J of heat is given off by a system what is the total enthalpy change? a) b) c) d) 4560 J -4560 J 6040 J -6040 J

$200 Question from Thermodynamics Given: C(s) + O 2(g) CO 2(g) ∆H=-393 k. J/mol S(s) + O 2(g) SO 2(g) ∆H=-297 k. J/mol C(s) + 2 S(s) CS 2(l) ∆H=88 k. J/mol Calculate ∆H for: CS 2(l) + 2 O 2(g) CO 2(g) + 2 SO 2(g) a) b) c) d) 2560 k. J 800 k. J -1075 k. J -525 k. J

$300 Question from Thermodynamics What is the ∆H for each of the following reactions? First ionization: Na(g) + Cl(g) Na+(g) + Cl(g) + 1 e- ∆Ha= Electron Affinity: Na+(g) + Cl(g) + 1 e- Na+(g) + Cl-(g) ∆Hb= a) b) c) d) ∆Ha>0 ∆Ha<0 ∆Hb<0 ∆Hb>0

$400 Question from Thermodynamics What is the entropy of the reaction: 2 CO(g) + O 2(g) 2 CO 2(g) ∆Hf CO = -110 k. J/mol ∆Hf CO 2 = -393 k. J/mol a) b) c) d) -283 k. J -503 k. J -566 k. J Not enough information

$500 Question from Thermodynamics HBr(aq) + KOH(aq) H 2 O(l) + KBr(aq) What is the qrxn if the temp increases from 0 C to 300 K, when you have 50 m. L of 1 M KOH and 25 m. L of 2 M HBr. Assume properties of water a) 8500 k. J b) -8500 k. J c) 94140 k. J d) -94140 k. J

$100 Question from Random Which of the following sets of quantum numbers is correct? a) b) c) d) e) n = 3, l = 3, ml = -3, ms = +1/2 n = 4, l = 3, ml = -1, ms = +1 n = 2, l = -1, ml = 0, ms = -1/2 n = 3, l = 2, ml = +1, ms = -1/2 n = 1, l = 0, ml = 1, ms = +1/2

$200 Question from Random Which has the lowest boiling point? a) b) c) d) e) NH 3 H 2 O CH 4 CH 2 OH C 2 H 5 Br

$300 Question from Random What is the energy and wavelength of a radio wave with a frequency of 6. 40 x 107? a) b) c) d) λ =4. 69 m λ=. 213 m λ=4. 69 m E=4. 24 x 10 -26 E=5. 44 x 10 -26 E=3. 22 x 10 -26 E=6. 78 x 10 -26

$400 Question from Random Which of the following is the correct electron configuration of Se 2 -? a) b) c) d) e) [Kr] 1 s 22 p 63 s 23 p 64 s 23 d 104 p 6 [Ar]4 s 24 p 6 4 s 23 d 104 p 6 1 s 22 p 63 s 23 p 64 s 24 p 63 d 10

$500 Question from Random In the following molecule, how many atoms have an sp 3 hybridization, and how many pi bonds are there? a) b) c) d) e) sp 3=4 sp 3=5 pi=4 pi=5 pi=8 pi=4 pi=8

Final Jeopardy Draw all the resonance structures for HPO 42 -