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In reference to item 13, suppose synthesis of al2o3 is done in the lab using 20.50 g of al and excess of o2. upon purification, 30.33 grams of al2o3 is produced. what is the percent yield of al2o3?
answered
Feb 7, 2019
Chemistry
high-school
2
votes
203k
views
Which term is correctly paired with its role in the body?
answered
Jul 16, 2018
Biology
high-school
2
votes
197k
views
Choose the best summary of this paragraph. "Success went fizzily to Bernard's head, and in the process completely reconciled him ... to a world which, up till then, he had found very unsatisfactory...
answered
Jun 28, 2018
English
middle-school
3
votes
183k
views
Why is it important to read about an interview subject before coming up with questions
answered
Jun 8, 2018
English
middle-school
4
votes
114k
views
Can someone please help me? I need to find the equation.
answered
May 27, 2018
Mathematics
middle-school
4
votes
27.9k
views
You need to spackle a hole in your wall that is 12 feet off the ground. You want to place the bottom of your ladder 5 feet from the wall. Which equation would you use to determine how tall the ladder needs
answered
Feb 12, 2018
Mathematics
middle-school
0
votes
52.6k
views
How much string would you need to go around the bottom of a hat shaped like a cone if the radius is 4 inches? (Use 3.14 for π)
answered
Feb 6, 2018
Mathematics
high-school
2
votes
188k
views
Linked products with qualities associated with modern era and preyed on consumers fears and anxieties?
answered
Feb 1, 2018
History
high-school
5
votes
89.0k
views
What is the answer to 1/9 + 3/5
answered
Nov 12, 2017
Mathematics
middle-school
6
votes
130k
views
How did job specialization brought about by surplus food contribute to social stratification during the Neolithic Revolution
answered
Sep 2, 2017
History
high-school
3
votes
183k
views
What is Log 10 100 Or what can I do
answered
Jul 24, 2017
Mathematics
high-school
4
votes
110k
views
Why was literacy a prime concern in the Massachusetts Bay colony
answered
May 19, 2017
History
high-school
5
votes
205k
views
A 12-inch diameter pizza is sliced into sixths. What's the area of one slice?
answered
Jan 28, 2017
Mathematics
middle-school
5
votes
204k
views
Give the domain of f(x) = 9^(x-4) +7 a.) x > 0 b.) x < 7 c.) x > 4 d.) All Real Numbers
answered
Dec 9, 2015
Mathematics
high-school
3
votes
150k
views
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