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Review Drill & Stoichiometry TestPowerPoint Presentation

Review Drill & Stoichiometry Test

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Chm II Drill: Calculate the mass of (NH4)2SO4 in mg produced when 1.12 mL NH3 gas reacts is excess H2SO4 in the following rxn:NH3 + H2SO4 (NH4)2SO4

- Review PP-11
- Complete the worksheet attached to the Poly website.

- All matter is made up of tiny particles
- The particles are in constant motion
- All collisions are elastic

- Force per unit area
- Caused by collisions against a surface
- Gas measured in pressure

Units of Pressure

- kPa: kilopascal (Std Unit)
- Pascal: newton/sq. meter
- Atmosphere (Atm):
- mm Hg:

Standard Pressure

- 101.3 kPa (to be changed)
- 1.00 Atm
- 760 mm Hg or Torrs
- 30.0 inches Hg
- 1013 millibars

State the Following Laws

- Boyle’s Law
- Charles’ Law
- Gay Lussac’s Law
- Dalton’s Law
- Graham’s Law

- The pressure & volume of a gas at constant temperature are inversely proportioned
P1V1 = P2V2 = K

Charles’ Law inversely proportioned

- The volume and temperature of a gas at constant pressure are directly proportioned
V1 V2

T1 T2

= = K

Guy Lussac’s Law directly proportioned

- The pressure and temp. of a gas at constant volume are directly proportioned
P1 P2

T1 T2

= = K

Combined Gas Law directly proportioned

- Combination of the three formulas directly proportioned
P1V1 P2V2

T1 T2

=

Common Sense directly proportioned

- A gas’s volume is directly proportioned to its number of moles
V1 V2

n1 n2

= = K

Ideal Gas Law moles

PV = nRT

Dalton’s Law moles

- The total pressure = the sum of the partial pressures moles
PT = P1 + P2 + etc

Graham’s Law moles

- The velocities of particles are inversely proportioned to the square root of their masses
v1 M2

v2 M1

=

Calculate the new volume of 5.0 L of gas when its pressure is doubled and its temperature is tripled:

Calculate the volume of a gas at STP when it occupies 150.0 mL at 227oC under

303.9 kPa pressure:

Calculate the volume of 3.0 moles of gas at mL at 227

-23oC under 83.1 kPa pressure.

Drill: Calculate the volume of a gas at STP when it occupies 80.0 mL at 273oC under 303.9 kPa pressure:

Drill: Calculate the number of moles of gas occupying 831 mL under 250 kPa at 227oC & Pass in Lab

Review & Collect Drill & HW under 250 kPa at 227

CHM II HW under 250 kPa at 227

- Review PP 11
- Complete the attached worksheet

Are there any questions on previous material? under 250 kPa at 227

Calculate the volume of a gas at STP when it occupies 80.0 mL at 273oC under 303.9 kPa pressure:

Calculate the mass of CO mL at 2732 occupying 83.1 mL under 25 GPa at 227oC

Calculate the molecular mass of 5.0 g of gas occupying 831 mL at 273mL under 250 MPa at 227oC

Ideal Gas Law mL at 273

PV = nRT

Drill: mL at 273 Calculate the volume in mL of 4.0 g bromine gas at 127oC under 83.1 kPa pressure.

Review & Collect Drill & HW mL at 273

CHM II HW mL at 273

- Review PP 11
- Complete the attached assignment & turn it in tomorrow

Discuss Lab mL at 273

Calculate the density of carbon dioxide at 27 mL at 273oC under 83.1 kPa pressure

Other Integrated Formulas mL at 273

The total pressure of a system is 120.0 kPa. The partial pressure of gas A is 112.0 kPa. Determine the pressure of gas B

Calculate the mass of 831 mL of CO HCl gas:2 at 27oC under 150 kPa pressure:

Drill:Calculate the volume of 4.0 moles of gas under 83.1 kPa pressure at 127oC:

Review & Collect Drill & HW kPa pressure at 127

Are there any questions on previous material? kPa pressure at 127

Calculate the volume of a gas at STP when it occupies 80.0 mL at 127oC under 303.9 kPa pressure:

5 mL at 127 Calculate the volume of 4.0 moles of gas under 83.1 kPa pressure at 127oC:

Calculate the molecular mass of 50 g of gas occupying 831 mL at 127mL under 250 MPa at 227oC

Calculate the mass of 831 mL of CO mL at 1272 at 167oC under 150 kPa pressure:

The total pressure of a system is 120.0 kPa. The partial pressure of gas A is 112.0 kPa. Determine the pressure of gas B

The total pressure of a system is 150.0 kPa. The system contains 50 % A, 30 % B, & 20 % C. Determine the pressure of each gas.

Drill: Calculate the mass of CO contains 50 % A, 30 % B, & 20 % C. Determine the pressure of each gas.2 occupying 83.1 mL under 25 MPa at 477oC

Calculate the density of carbon dioxide at 27 contains 50 % A, 30 % B, & 20 % C. Determine the pressure of each gas.oC under 83.1 kPa pressure

Calculate the velocity HBr when the velocity Be is 270 m/s: contains 50 % A, 30 % B, & 20 % C. Determine the pressure of each gas.

Calculate the final volume that 3.0 L of gas will obtain when the absolute temperature is tripled & the pressure is halved.

Calculate the mass of CO occupying 831 kL at 227 when the absolute temperature is tripled & the pressure is halved.oC under 2.50 Mpa pressure.

Calculate the volume of H when the absolute temperature is tripled & the pressure is halved.2 formed at 27oC under 150 kPa

when 6.8 mg NH3 decomposes making N2 & H2.

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