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ok.. im confused: Ammonia and

I just took my quiz and I'm confused because I got it wrong.It asked which one is not a pure substance? A. Ammonia B. Steam C.
1. 3 answers
2. asked by Stephanie
3. 545 views
Ammonia is commonly used in cleaning solutions, as well as in manufacturing and water purification. Its chemical formula is NH3.
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2. 26 views
1. Outline a procedure to prepare an ammonia/ammonium buffer solution.I'm confused how to start it off.
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2. asked by Emily
3. 632 views
Ammonia is composed of H and N in a ratio of 9.33g N to 2.00g H. If 4.56g N combine completely with H to form ammonia, how many
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2. asked by greg
3. 690 views
9.3mL of ammonia base cleaner requires 12mL of 1M HCL to reach end point. A) what is molarity of ammonia and b) what is
1. 1 answer
2. asked by John
3. 460 views
Arrange the following systems in order of increasing randomness or disorder(bring with the most ordered system)1 mol liquid
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2. asked by Maci
3. 2,097 views
For a big cleaning job, David wants to mix some ammonia-based cleaners to get a certain concentration of ammonia. He has 9
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2. 26 views
is window cleaner an acid or baseacid? Most window cleaners are basic. Many have the odor of ammonia. The ammonia odor usually
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2. asked by marcuz
3. 3,320 views
Ammonia, NH3, is used as a refrigerant. At its boiling point of -33 degress Celcius, the enthalpy of vaporization of ammonia is
1. 3 answers
2. asked by Joe
3. 1,077 views
Ammonia has a molar mass of approximately 17 grams per mole. At 290k and 1.2 atm, a sample of ammonia has a volume of 3.7 L. In
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2. asked by fdfdf
3. 28 views