Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Stoichiometry Worksheet Solutions for CH 221 - Ziegler - Prof. Zelda Ziegler, Assignments of Chemistry

Solutions to stoichiometry problems related to the combustion of methane and the decomposition of barium peroxide. Students can use these answers to check their understanding of the concepts covered in the ch 221 - ziegler course.

Typology: Assignments

Pre 2010

Uploaded on 08/18/2009

koofers-user-4tm
koofers-user-4tm 🇺🇸

4.3

(4)

10 documents

1 / 2

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
CH 221—Ziegler
Worksheet
Stoichiometry
1. Suppose 32.0 g of methane, CH4 is burned in air to give CO2 and H2O.
a. How many moles and how many grams of CO2 will be produced, theoretically?
b. What will be the theoretical yield in moles and in grams of H2O?
c. How many grams of O2 will be consumed?
2. When heated, barium peroxide BaO2, decomposes to give barium oxide, BaO, and
molecular oxygen, O2. Given 16.9 g BaO2:
a. How many grams of BaO will be produced theoretically?
b. What will be the theoretical yield, in grams, of O2?
pf2

Partial preview of the text

Download Stoichiometry Worksheet Solutions for CH 221 - Ziegler - Prof. Zelda Ziegler and more Assignments Chemistry in PDF only on Docsity!

CH 221—Ziegler Worksheet

Stoichiometry

  1. Suppose 32.0 g of methane, CH 4 is burned in air to give CO 2 and H 2 O.

a. How many moles and how many grams of CO 2 will be produced, theoretically?

b. What will be the theoretical yield in moles and in grams of H 2 O?

c. How many grams of O 2 will be consumed?

  1. When heated, barium peroxide BaO 2 , decomposes to give barium oxide, BaO, and molecular oxygen, O 2. Given 16.9 g BaO 2 :

a. How many grams of BaO will be produced theoretically?

b. What will be the theoretical yield, in grams, of O 2?

CH 221—Ziegler Worksheet

  1. Suppose 24.0 g of methane is reacted with 64.0 g of O 2 in the same reaction as in problem no 1 above.

a. Which is the limiting reagent?

b. Which reagent is present in excess?

c. How many grams of CO 2 will be produced, theoretically?

d. How many grams of O 2 will be left over?

e. How many grams of CH 4 will be left over?

f. Suppose a student recovers 33.0 g of CO 2 from this experiment. What percent yield will she report?