Independence UniversityCHEMISTRY 101

05/22/19

Chemistry 101 Week Two Assignment

1)A typical barometric pressure in Redding, California is about 750mmHg. What is the pressure in atm?

1. 1. 750atm

2.                    1.01 atm

3.                    0.987atm

4.                    1.50atm

1. 2.        A typical barometric pressure in Redding, California is about 750mmHg. What is the pressure in kPa?
      1. 750kPa

2.                    101.325kPa

3.                    0.135kPa

4.                    100kPa

1. 3. Convert 23.92inHg to torr.
      1. 608 torr
      2. 760torr

3.                    23.92torr

4.                    31.8 torr

1. 4.        Convert 23.92inHg to Pa. 1.              23.92Pa

2.                    101325Pa

3.                    81100Pa

4.                    4236Pa

1. 5.        Convert 23.92inHg to bar 1.             23.92 bar

2.                    0.811 bar

3.                    1.01325 bar

4.                    24.23 bar

1. 6.        What is the temperature of an 11.2 L sample of carbon monoxide, CO, at 744 torr if it occupies 13.3L at 55 degrees Celsius and 744 torr?

1.                    276K

2.                    46.3 degrees Celsius

3.                    0.45 K

4.                    2.71 degrees Celsius

1. 7.        Dry ice will go directly from a solid to a gas at room temperature. Going directly from a solid to a gas is called                                                                                                
      1. deposition
      2. condensation
      3. sublimation
      4. solidification

1. 8.        As it cools, olive oil slowly solidifies and forms a solid over a range of temperatures. Which best describes the solid?
      1. Ionic
      2. covalent network
      3. metallic
      4. amorphous

1. 9. What is the conjugate acid of H2S?
      1. H2S
      2. HS-
      3. H3S+

4.                    H3S2+

1. 10. What is the conjugate base of H2PO4-?
       1. H3PO4-
       2. H3PO4

3.                    H2PO4-2

4.                    HPO42-

1. 11. What is the conjugate acid of PH3?
       1. PH4+
       2. PH2-

3.                    PH4-2

4.                    PH2+

1. 12.        What is the conjugate base of HS-? 1.                  S-2
2. H2S
3. HS-2

4.                    H2S42+

1. 13. What is the conjugate acid of HSO3-?
       1. H2SO3
       2. H3SO3+

3.                    SO3-2

4.                    HSO42-

1. 14. What is the conjugate base of H3O2+?

1. 1. 1. H3O22+
      2. H2O2

3.                    H2O2+

4.                    H4O22+

1. 15. What is the conjugate acid of H4N2?
       1. H4N2+

2.                    H3N2-

3.                    H5N2+

4.                    H4N3-

1. 16. What is the conjugate base of CH3OH?
       1. CH2OH-
       2. CH4OH+
       3. CH3OH2+
       4. CH3O-

1. 17. What is the Bronsted Acid in the following equation: NO2-  +H2O                ? HNO2  + OH-

1. 1. 1. NO2-
      2. H2O
      3. HNO2
      4. OH-

1. 18. What is the Bronsted base in the following equation: NO2-  +H2O         ?HNO2  + OH-

1. 1. 1. NO2-
      2. H2O
      3. HNO2-
      4. OH-

1. 19. What is the conjugate acid in the following equation: NO2-  +H2O ? HNO2  + OH-

1. 1. 1. NO2-

1. 1. 2. H2O-
      3. HNO2
      4. OH-

1. 20. What is the conjugate base in the following equation: NO2-  +H2O         ? HNO2  + OH-

1. 1. 1. NO2-
      2. H2O
      3. HNO2
      4. OH-

1. 21. What is the Bronsted acid in the following equation: HBr + H2 O      ? H3 O+  + Br-

1. HBr
2. H2 O-
3. H3 O+
4. Br-

22.          What is the Bronsted base in the following equation: HBr + H2 O             ? H3 O+  + Br-

1. HBr-
2. H2 O
3. H3 O+
4. Br-

23.          What is the conjugate acid in the following equation: HBr + H2 O                ?H3 O+  + Br-

1. HBr
2. H2 O
3. H3 O+
4. Br--

24.         What is the conjugate base in the following equation:

HBr + H2 O                  ? H3 O+  + Br-