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# Review Drill & Stoichiometry Test - PowerPoint PPT Presentation

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

• Review PP-11

• Complete the worksheet attached to the Poly website.

• kPa: kilopascal (Std Unit)

• Pascal: newton/sq. meter

• Atmosphere (Atm):

• mm Hg:

• 101.3 kPa (to be changed)

• 1.00 Atm

• 760 mm Hg or Torrs

• 30.0 inches Hg

• 1013 millibars

• Boyle’s Law

• Charles’ Law

• Gay Lussac’s Law

• Dalton’s Law

• Graham’s Law

Charles’ Law inversely proportioned

= = K

Guy Lussac’s Law directly proportioned

= = K

Combined Gas Law directly proportioned

=

Common Sense directly proportioned

New Combination moles

P1V1/n1T1 =

P2V2/n2T2 =

K

New Combination moles

P1V1 P2V2

n1 T1 n2T2

= = K

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:

-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 under 250 kPa at 227

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 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 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

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 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 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.