Information provided, no addition al tables or notes are allowed.

1 mol = 6.0221 x 1023 ; Speed of light: c = 3.0 x 108 m/s; 1Hz = s-1 C = K-273 Planck's constant: h = 6.626 x 10-34 J s ; 1 atmosphere = 760 torr R = 0.0821 L atm/ mol K = 8.314 kg m2/s2 K mol

0)  Name all compounds you see here!

1.  A) Density of a compound is 22 kg/cm3. Convert it to g/m3.

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1 B) Density of a compound is 22g/m3. Convert it to kg/cm3

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C) Speed is 200km/h convert it to mm//s

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2.  A) What is the number of protons in atom of nitrogen N?

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B) What is the number of electrons in an ion of N?

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C) What is the number of neutrons in an isotope of N?

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3.  How many oxygen atoms are in 2g of Ba(ClO4)2

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4.  How many moles of Sr(CN)2 are in 1.23 g of this chemical?

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How many grams of Ca( NO3)2 are in 2g of this compound?

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5.  The name of these ionic and binary compounds :

is ………………..

N3F is………………..

Al(NO3)3 is……………..

CuCl2 is…………………

CsI……………………..

Ca(ClO4)2

Fe2O3 is………………………………..

CO2 is……………………….

…Name all other compounds you ses……………………………………………………………….

6.  Write down the formulae for:

a.  Nitrogen oxide………………..

b.  Nitrogen dioxide…………………..

c.  Trinitrogen tetroxide

……………………………………………

d.  ………………………….

7.  Determine what mass in g of compound Z forms when y g of Y and x g of X react to produce Z

x X(g) + y Y (g) à z Z (g)

Use your masses and your reactions.

Example : H2 + O2 (balancedà H2 + N2 à balanced

8.  Choose the correct net ionic equation for the metathesis reaction which occurs when

a)  Ba(NO3)2…………….and ………KOH………(aq) are mixed.

BaCl2 + K2SO4………………………………………….

b)  Ca(OH)2 +

c)……Ba(OH)2…+ …………………………………………………………………………………

d) Mg(NO3) 2 + NaOH à

9.  Which one of the following compounds is insoluble in water? (use examples from text an dexmas)

10.  500 mL of a X(OH)2 solution was titrated to the equivalence point with 50 mL of a 1.93 M solution of HCl. What was the concentration of the X(OH)2 solution?

…………………………………………….. (see textbook, neutralization, polyprotic –more than 1 H)

500 mL of a H2 SO4 solution was titrated to the equivalence point with 50 mL of a 1.93 M solution of NaOH. What was the concentration of the H2 SO4solution?

…………………………………………………………………

11.  What is the molar concentration of Fe3+ in a solution made by diluting 500mL of 2.00 M Fe2O3 to 1.00 L?

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12.  Which of the following are strong electrolytes?

HBr HCl HNO3 H3PO4 H2SO4 HF NaOH Ba(OH)2

CH3OH C2H5OH glucose HI HClO4

KCl ………………………………………..

13.  What is the energy of a photon which has a frequency of 7.0 x 1015 Hz (cycles/sec)?

……………………………………………..

What is the energy of a photon which has a wavelength of 500nm?......

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14.  [ ]…………..is the electron configuration of a(n) ______atom. /ion

……………… has electron configuration:..[ ] ………………………..

Use this PT. See textbook for example and practice

15.  Quantum rules n, l, m s

………………….

L= 0 s, l=1 p l=2 d..

16.  Of the following elements, which has the largest first ionization energy?

……………………….(Use PT , see textbook for trends)

17.  Of the following elements, which has the largest radius?

……………………………….(Use PT, trends)

18.  The Lewis structure , octet (y/n),formal charges, number of electron domains, molecular electron domains geometry (names), hybridization, lone pairs, bondings (single,..), angles , molecular geometry (names of geometries) , polarity , hydrogen bond , number of resonances (if exist)

For the following molecules: CsBr, ZnS, HI, Ba(OH)2, Na2CO3, H2CO3, CO3 2-, Na2SO4, SO2-, NO3-, HNO3, …SF6, NH3 , PH3 AsH3, As F3, IF3, XeF4, H2O, H2S, NCl3, CH4, CH3Cl, CF4, , BCl3, BF3,BeCl2, BeF2, Cl2, F2, O2, O3, CO2, SO3, XeO2, H3PO4, CO2, NO2-, PCl5,SF4, ClF3, XeF2,SF6, BrF5, XeF4……………………………………..

19.  Calculate the number of moles of an ideal gas if it has a pressure of p atm, a volume of V L, and a temperature of T oC.

20.  Calculate pressure of an ideal gas if it has n moles , a volume of V L, and a temperature of T oC.

21.  Calculate Volume of an ideal gas if it has n moles , a pressure of p atm (or torr), and a temperature of T oC.

Etc………………………………………………………………………..

22.  What uis the MM of a molecule density d, at T K, p atm in vol V?? (try simple molecules)

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23.  Which of the following molecules would have the lowest rms velocity at T K, p atm in vol V??

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24.  What types of intermolecular forces exist between molecules like X and Y ? (use molecules from general list before

a.  Dispersion , and ion-dipole

b.  dispersion forces, hydrogen bonding,

c.  dispersion forces, dipole-dipole,

d.  dispersion forces only

25.  Shown below is a phase diagram for A system . Use this phase diagram to pick the correct statement from the following multiple choices.

Figure (see textbook phase diagrams)

Identify all important points ( gas/liquid, liquid solid limits, normal points boiling and melting, critical ppoint…..

Identify state of the system at different P and T

26.  Which one of the following substances would be the most soluble in X?

27.  Which one of the following substances would NOT be soluble in X?

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