Chm II Drill: Calculate the mass of
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Chm II Drill: Calculate the mass of (NH 4 ) 2 SO 4 in m g produced when 1.12 mL NH 3 gas reacts is excess H 2 SO 4 in the following rxn: NH 3 + H 2 SO 4  (NH 4 ) 2 SO 4. Review Drill & Stoichiometry Test. Water of Crystalization Lab Due Tomorrow. Chm II Homework. Review PP-11

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Review Drill & Stoichiometry Test

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Review drill stoichiometry test

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 drill stoichiometry test

Review Drill & Stoichiometry Test


Water of crystalization lab due tomorrow

Water of Crystalization Lab Due Tomorrow


Review drill stoichiometry test

Chm II Homework

  • Review PP-11

  • Complete the worksheet attached to the Poly website.


Are there any questions on previous material

Are there any questions on previous material?


Kinetic theory

Kinetic Theory


Review drill stoichiometry test

  • All matter is made up of tiny particles

  • The particles are in constant motion

  • All collisions are elastic


Pressure

Pressure


Review drill stoichiometry test

  • Force per unit area

  • Caused by collisions against a surface

  • Gas measured in pressure


Units of pressure

Units of Pressure

  • kPa: kilopascal (Std Unit)

  • Pascal: newton/sq. meter

  • Atmosphere (Atm):

  • mm Hg:


Standard pressure

Standard Pressure

  • 101.3 kPa (to be changed)

  • 1.00 Atm

  • 760 mm Hg or Torrs

  • 30.0 inches Hg

  • 1013 millibars


Gas laws

Gas Laws


State the following laws

State the Following Laws

  • Boyle’s Law

  • Charles’ Law

  • Gay Lussac’s Law

  • Dalton’s Law

  • Graham’s Law


Boyle s law

Boyle’s Law


Review drill stoichiometry test

  • The pressure & volume of a gas at constant temperature are inversely proportioned

    P1V1 = P2V2 = K


Charles law

Charles’ Law


Review drill stoichiometry test

  • The volume and temperature of a gas at constant pressure are directly proportioned

    V1V2

    T1T2

= = K


Guy lussac s law

Guy Lussac’s Law


Review drill stoichiometry test

  • The pressure and temp. of a gas at constant volume are directly proportioned

    P1P2

    T1T2

= = K


Combined gas law

Combined Gas Law


Review drill stoichiometry test

  • Combination of the three formulas

    P1V1P2V2

    T1 T2

=


Common sense

Common Sense


Review drill stoichiometry test

  • A gas’s volume is directly proportioned to its number of moles

    V1V2

    n1n2

= = K


New combination

New Combination

P1V1/n1T1 =

P2V2/n2T2 =

K


Review drill stoichiometry test

New Combination

P1V1P2V2

n1 T1 n2T2

= = K


Ideal gas law

Ideal Gas Law

PV = nRT


Dalton s law

Dalton’s Law


Review drill stoichiometry test

  • The total pressure = the sum of the partial pressures

    PT = P1 + P2 + etc


Graham s law

Graham’s Law


Review drill stoichiometry test

  • The velocities of particles are inversely proportioned to the square root of their masses

    v1M2

    v2M1

=


Review drill stoichiometry test

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


Review drill stoichiometry test

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

303.9 kPa pressure:


Review drill stoichiometry test

Calculate the volume of 3.0 moles of gas at

-23oC under 83.1 kPa pressure.


Review drill stoichiometry test

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


Review drill stoichiometry test

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


Review collect drill hw

Review & Collect Drill & HW


Chm ii hw

CHM II HW

  • Review PP 11

  • Complete the attached worksheet


Are there any questions on previous material1

Are there any questions on previous material?


Review drill stoichiometry test

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


Review drill stoichiometry test

Calculate the ratio of the velocities of He gas to HCl gas:


Review drill stoichiometry test

Calculate the mass of CO2 occupying 83.1 mL under 25 GPa at 227oC


Calculate the molecular mass of 5 0 g of gas occupying 831 m l under 250 mpa at 227 o c

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


Review drill stoichiometry test

Ideal Gas Law

PV = nRT


Related formulas

Related Formulas

D or r =

m

V

m/n

MW =


Review drill stoichiometry test

MW = m/n

n = m/MW

PV = nRT


Review drill stoichiometry test

PV =

mRT

MW

mRT

PV

MW =


Review drill stoichiometry test

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


Review collect drill hw1

Review & Collect Drill & HW


Chm ii hw1

CHM II HW

  • Review PP 11

  • Complete the attached assignment & turn it in tomorrow


Review drill stoichiometry test

Are there any questions on previous material?


Discuss lab

Discuss Lab


Review drill stoichiometry test

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


Other integrated formulas

Other Integrated Formulas


Review drill stoichiometry test

m

V

mRT

PV

D =

MW =


Review drill stoichiometry test

m

V

m RT

V P

D =

MW =


Review drill stoichiometry test

DRT

P

MW P

RT

MW =

D =


Review drill stoichiometry test

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


Drill calculate the ratio of the velocities of he gas to hcl gas

Drill: Calculate the ratio of the velocities of He gas to HCl gas:


Calculate the mass of 831 ml of co 2 at 27 o c under 150 kpa pressure

Calculate the mass of 831 mL of CO2 at 27oC under 150 kPa pressure:


Drill calculate the volume of 4 0 moles of gas under 83 1 kpa pressure at 127 o c

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


Review drill stoichiometry test

Review & Collect Drill & HW


Review drill stoichiometry test

Are there any questions on previous material?


Review drill stoichiometry test

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


Review drill stoichiometry test

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


Review drill stoichiometry test

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


Review drill stoichiometry test

Calculate the mass of 831 mL of CO2 at 167oC under 150 kPa pressure:


Review drill stoichiometry test

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


Review drill stoichiometry test

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.


Review drill stoichiometry test

Drill: Calculate the mass of CO2 occupying 83.1 mL under 25 MPa at 477oC


Calculate the density of carbon dioxide at 27 o c under 83 1 kpa pressure

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


Review drill stoichiometry test

Calculate the velocity HBr when the velocity Be is 270 m/s:


Review drill stoichiometry test

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 o c under 2 50 mpa pressure

Calculate the mass of CO occupying 831 kL at 227oC under 2.50 Mpa pressure.


Review drill stoichiometry test

Calculate the volume of H2 formed at 27oC under 150 kPa

when 6.8 mg NH3 decomposes making N2 & H2.


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