This is a free sample excerpt of the paper. Join to view the full essay
|
Decomposition
Part 1 of Paper
....n predict from our results the correct chemical
reaction equation.
Procedure: 1. Weigh out about 4.0g of KClO4 in a test tube. Record the
accurate weight below. Product Weight Before Weight After Mass of Test tube +
KClO4 41.5g 39.8g Mass of Test tube 37.5g 37.5 Mass of KClO4
4.0g 2.3g 2. Set up the apparatus shown.... Part 2 of Paper
.... moles. 1.9g ¸ 32g/mole = .06 moles 3. The number of
moles of O2 lost is .02 moles. 1.7g ¸ 32g/mol = .05 moles 4. KClO4 à KCl + 202
4.0g ¸ 138.6g/mol = .03 moles ´ 202 ¸ KClO4 = .06 moles ´ 32g = 1.9g 5 Percent
Yield: 89% O2 lost 1.7g ¸ O2 Expected 1.9g
.... |
| Number of words: 253 - Approximate pages: 1 |
|
Here are PaperHelp we are used to dealing with students in a rush to complete their research papers on a tight deadline. That is why when you
join our site, your account is activated immediately enabling you to get the information you need as quickly as possible. We also know that
students usually are on a tight budget, which is why we give you access to a large number of papers, 45,000+ to exact, for one low monthly
price. With so many essays available, there is a very good chance you'll be able to find what you need. So join today and get your paper
done.
| Length |
Membership Type |
Price |
Register |
| 30 days |
recurring |
$19.95 |
| 90 days |
recurring |
$39.95 |
| 180 days |
non-recurring |
$69.95 |
|
|
|
