Drill: Calculate the volume of O2 at STP required to burn 6.00 g of

C2H6:

Review & Collect Drill

& HW

CHM II HW•Review PP 12•Complete attached assignment

•Lab tomorrow

Are there any questions on

previous material?

Test on Stoichiometry & Gas LawsMid next week

Stoichiometry with Gas Laws

•Use the same rules for stoichiometry, but use PV = nRT for molar conversions of gases (Steps 2 & 4)

Calculate the volume of carbon dioxide gas

produced at 27oC under 83.1 kPa pressure when 35

g of C5H10 is burned in excess oxygen:

Calculate the mass of O2 formed when 250 mL

H2O at 127oC under 83.1 kPa pressure is

decomposed producing H2 & O2:

A mixture of 1.14 g of C8H18 in excess O2 is

compressed to 5.00 mL in a piston at 27oC under 750 kPa. Calculate the

volume of released gases at 227oC under 100.0 kPa.

A mixture of 10.0 % C8H18 in O2 is compressed to 5.00 mL in a piston at

27oC under 750 kPa. Calculate the volume of released gases at 227oC

under 100.0 kPa.

Drill: Calculate the volume of HI(g) collected at 227oC under 250 kPa

pressure when 4.12 kg PI3 reacts with xs water

forming HI & H3PO3.

Review & Collect Drill

& HW

CHM II HW•Review PP 10, 11, & 12•Complete the attached worksheet & turn it in on Wednesday.

Lab on TuesdayReview on Wednesday

Test on Thursday

The last lab is due on Wednesday.

Get a data sheet if you missed the lab

Determine the volume of NH3 formed at 27oC under 831 kPa when

excess N2 reacts with 4.0 kg of H2:

Determine the volume of O2 released at

227oC under 83.1 kPa when 32.0 kg of Fe2O3

is purified making Fe & O2

A mixture of 10.0 % C8H18 in O2 is compressed to 5.00 mL in a piston at

27oC under 750 kPa. Calculate the volume of released gases at 227oC

under 100.0 kPa.

23.4 g Al2(CO3)3 was added to excess HCl generating

AlCl3 + CO2 + H2O. Calculate the volume of gas

collected at 27oC under 450 kPa.

Drill: Calculate the mass of Mg used to generate 83.1 mL H2 collected at

27oC under 150 kPa when xs HCl is added to

the Mg:

Review Drill & HW

Turn in Lab 4

Test Thursday

The following problems will be a review for the

test

Calculate the mass of CO2 occupying 831 mL 167oC under

400.0 kPa pressure:

Calculate the ratio of the velocities

of Si & I2:

Gas in a piston occupies 202.6 mL at 273oC under 250 kPa pressure. Calculate its

volume at STP:

Calculate the mass of Iodine liberated when

831 mL F2 at 27oC under 450 kPa is

bubbled through a solution of XS KI :

Calculate the pressure of 16 g

of Helium occupying 831mL

at 127oC.

Calculate the density of Iodine

gas at 227oC under 250 kPa:

Calculate the velocity of He atoms when sulfur

dioxide molecules travel at 150 m/s at the same

temperature:

60 g NaOH was added to excess HCl generating

NaCl + H2O. Calculate the volume of gas collected at

127oC under 450 kPa.