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Final Jeopardy

$100 Question from Basic Chemistry

(3.23+7.8) x 9.978

a) 109.8b) 110c) 109d) 110.e) 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) C6H8O2

b) C5H8O2

c) C3H4Od) C4H4O4

e) CHO

$300 Question Basic Chemistry

Which of the following is NOT a diatomic element?

a) F2

b) N2

c) C2

d) H2

e) O2

$400 Question Basic Chemistry

Which is not a strong base? And which is not a strong acid?

a) KOHb) CsOHc) Ca(OH)2

d) Mg(OH)2

e) Ba(OH)2

a) HClO3

b) HBrc) H2CO3

d) HIe) HNO3

$500 Question from Basic Chemisty

What is being the Reducing Agent in the following reaction:Cu(s) + 4HNO3(aq) Cu(NO3)2(aq) + NO2(aq)+ 2H2O(l)

a) Cu (s)b) HNO3 (aq)c) Cu(NO3)2 (aq)d) NO2 (aq)e) H2O (l)

$100 Question from Naming

What is the name of Fe2O3?

a) Iron oxideb) Iron (III) oxidec) Iron (II) oxided) Iron (III) dioxidee) Iron dioxide

$200 Question from Naming

What is the name of the molecular geometry of SF5

-?

a) Trigonal Bipyramidalb) Square planarc) See sawd) T-shapede) Square base pyramid

$300 Question from naming

Which of the following does not have the tetrahedral electron geometry?

a) CH2Ob) H2Oc) CF3OHd) PCl3

$400 Question from naming

What is pentanol?

a) C4H10

b) C4H12

c) C4H9OHd) C5H12

e) C5H11OH

$500 Question from naming

What is the name of H2SO2?

a) Persulfuric acidb) Sulfuric acidc) Sulfurous acidd) Hyposulfurous acide) Hydrosulfurous acid

$100 Question from Stoichiometry

If you have 10.0 g NaCl (mm=58) how many molecules are there?

a) .172b) 1.03 x 1026

c) 1.04 x 1023

d) 5.8

$200 Question from Stoichiometry

In the combustion of 9.13g CH4 (mm=16) with excess oxygen, how much CO2 (mm=44) is produced?

a) 50.2 gb) 3.32 gc) 20.5 gd) 25.1 ge) 77.1g

$300 Question from Stoichiometry

In the neutralization of 20 mL .7 M Ba(OH)2 with 15 mL unknown concentrated HCl, what is the concentration of HCl?

a) .933 Mb) 3.73 Mc) 1.50 Md) 1.87 Me) 1.40 M

$400 Question from Stoichiometry

Nitrogen fill a room which is 20 m3, and at STP, what is the mass of the Nitrogen?

a) 892 gb) 25.0 kgc) 12.5 kgd) 25.0 ge) 892 kg

$500 Question from Stoichiometry

In the reaction ___Na(s) + ___Cl2(g) ___NaCl (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) Cl2 (g)d) NaCl

$100 Question from Thermodynamics

If 5.3 kJ 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) 4560 Jb) -4560 Jc) 6040 Jd) -6040 J

$200 Question from Thermodynamics

Given:C(s) + O2(g) CO2(g) ∆H=-393 kJ/molS(s) + O2(g) SO2(g) ∆H=-297 kJ/molC(s) + 2S(s) CS2(l) ∆H=88 kJ/molCalculate ∆H for:CS2(l) + 2O2(g) CO2(g) + 2 SO2(g)

a) 2560 kJb) 800 kJc) -1075 kJd) -525 kJ

$300 Question from Thermodynamics

What is the ∆H for each of the following reactions?First ionization:Na(g) + Cl(g) Na+(g) + Cl(g) + 1e- ∆Ha=Electron Affinity:Na+(g) + Cl(g) + 1e- Na+(g) + Cl-(g) ∆Hb=

a) ∆Ha>0 ∆Hb<0b) ∆Ha<0 ∆Hb<0c) ∆Ha>0 ∆Hb>0d) ∆Ha<0 ∆Hb>0

$400 Question from Thermodynamics

What is the entropy of the reaction:2CO(g) + O2(g) 2CO2(g)∆Hf CO = -110 kJ/mol∆Hf CO2 = -393 kJ/mol

a) -283 kJb) -503 kJc) -566 kJd) Not enough information

$500 Question from Thermodynamics

HBr(aq) + KOH(aq) H2O(l) + KBr(aq)What is the qrxn if the temp increases from 0 C to 300K, when you have 50 mL of 1M KOH and 25 mL of 2M HBr. Assume properties of water a) 8500kJ

b) -8500kJc) 94140kJd) -94140kJ

$100 Question from Random

Which of the following sets of quantum numbers is correct?

a) n = 3, l = 3, ml = -3, ms = +1/2b) n = 4, l = 3, ml = -1, ms = +1c) n = 2, l = -1, ml = 0, ms = -1/2d) n = 3, l = 2, ml = +1, ms = -1/2e) n = 1, l = 0, ml = 1, ms = +1/2

$200 Question from Random

Which has the lowest boiling point?

a) NH3

b) H2Oc) CH4

d) CH2OHe) C2H5Br

$300 Question from Random

What is the energy and wavelength of a radio wave with a frequency of 6.40 x 107?

a) λ =4.69m E=4.24x10-26

b) λ=.213m E=5.44x10-26

c) λ=.213m E=3.22x10-26

d) λ=4.69m E=6.78x10-26

$400 Question from Random

Which of the following is the correct electron configuration of Se2-?

a) [Kr]b) 1s22s22p63s23p64s23d104p6

c) [Ar]4s24p6

d) 4s23d104p6

e) 1s22s22p63s23p64s24p63d10

$500 Question from Random

In the following molecule, how many atoms have an sp3 hybridization, and how many pi bonds are there?

a) sp3=4 pi=4b) sp3=4 pi=5c) sp3=4 pi=8d) sp3=5 pi=4e) sp3=5 pi=8

Final JeopardyDraw all the resonance structures for HPO4

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