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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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




Chm II Homework

  • Review PP-11

  • Complete the worksheet attached to the Poly website.







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



State the following laws
State the Following Laws

  • Boyle’s Law

  • Charles’ Law

  • Gay Lussac’s Law

  • Dalton’s Law

  • Graham’s Law




Charles law
Charles’ Law inversely proportioned


= = K


Guy lussac s law
Guy Lussac’s Law directly proportioned


= = K


Combined gas law
Combined Gas Law directly proportioned


=


Common sense
Common Sense directly proportioned



New combination
New Combination moles

P1V1/n1T1 =

P2V2/n2T2 =

K


New Combination moles

P1V1 P2V2

n1 T1 n2T2

= = K


Ideal gas law
Ideal Gas Law moles

PV = nRT





=


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



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:



Review collect drill hw
Review & Collect Drill & HW under 250 kPa at 227


Chm ii hw
CHM II HW under 250 kPa at 227

  • Review PP 11

  • Complete the attached worksheet



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



Ideal Gas Law mL at 273

PV = nRT


Related formulas
Related Formulas mL at 273

D or r =

m

V

m/n

MW =


MW = m/n mL at 273

n = m/MW

PV = nRT


PV = mL at 273

mRT

MW

mRT

PV

MW =


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



Chm ii hw1
CHM II HW mL at 273

  • Review PP 11

  • Complete the attached assignment & turn it in tomorrow



Discuss lab
Discuss Lab mL at 273


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



m mL at 273

V

mRT

PV

D =

MW =


m mL at 273

V

m RT

V P

D =

MW =


DRT mL at 273

P

MW P

RT

MW =

D =


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



Review & Collect Drill & HW 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 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 o c under 83 1 kpa pressure
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 o c under 2 50 mpa pressure
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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