FUEL CELLS ON THE NASA SPACE SHUTTLE ORBITER 
.... solution. In the alkaline fuel cell, there exists an excess of
OH-
ions. At the anode, hydrogen gas reacts with the
OH-
ions. This ....
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Acid Based Indicators Acids increase the proportion of hy
.... proportion of hydroxide
ions (
OH-). The pH scale is used to determine the concentration of H+ and
OH-
ions in a given solution. ....
(315
1
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ALTERNATIVE FUEL SOURCES
.... solution. In the alkaline fuel cell, there exists an excess of
OH-
ions. At the anode, hydrogen gas reacts with the
OH-
ions. This ....
(4160
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)
PKA & PKB of Weak Acids & Bases This laboratory is concerned with ...
.... The acid or base quality of the solution depends entirely on the concentration of [H+] or [
OH-}
ions (Chemtutor, 2005). Chemtutor. (2005). Retrieved Oct. ....
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The Titration of Milk of Magnesia
.... graph of pH vs. volume of titrant (vinegar). 1. Mg(
OH)2 has two hydroxide
ions to donate to solution. The first and second dissociation ....
(664
3
)
A Chemistry Experiment Each chemical equatio
.... 2. The
ions present in an aqueous solution of NiCl2 were: 3. A complete, balanced equation for this double displacement reaction is: NiCl2 + 2NaOH ? Ni(
OH)2 ....
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Chemical Equations & Reactions Each chemical equatio
.... 2. The
ions present in an aqueous solution of NiCl2 were: 3. A complete, balanced equation for this double displacement reaction is: NiCl2 + 2NaOH ? Ni(
OH)2 ....
(964
4
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Chemistry
.... aluminum, tin, iron), and the anions are either nonmetals (chloride, bromide, sulfide) or polyatomic
ions (
ions with more than one atom, such as
OH- - hydroxide ....
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Importance of Free Radicals
.... H2O2 > .
OH +
OH + O2) may .... In addition, reversible redox reactions can also generate free radicals through the autoxidation of reduced transition metal
ions. ....
(2200
9
)
Science Essays Carboxylic acids (RCO2H) are one of t
.... and nitriles RC=N), with the active group replacing the -
OH group of .... more acidic than alcohols because carboxylate anions are more stable than alkoxide
ions. ....
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CO2
.... an indicator is the point at which the amount of H3O+ and
OH- are equal .... A logarithmic scale is used to describe the concentration of hydrogen
ions and hydroxide ....
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4
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The Buffer Effect This laboratory looked at the buffer
.... and the sodium bicarbonate, these
ions are more likely to become proton acceptors than proton donors, and are less likely to donate protons to the
OH- from the ....
(861
3
)
DNA
.... Kamentski 17). This protects the DNA from possible damage from
OH- and H+
ions and from foreign agents such as carcinogens. The model ....
(1361
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Removal of Arsenic Compounds From Waste Water L
.... arsenic may be found as arsenate (H2ASO4-), arsenite (AS(
OH)3), arsine .... to remove arsenic containing compounds because arsenate and arsenite
ions must compete ....
(1710
7
)
Dental Implant Materials
.... by reaction with the solution which is supersaturated with apatite; silicate
ions absorbed on the substrate surface produce silanol groups (Si-
OH), which are ....
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Titanium and its Uses
.... by reaction with the solution which is supersaturated with apatite; silicate
ions absorbed on the substrate surface produce silanol groups (Si-
OH), which are ....
(3353
13
)
Parkinson's Disease
.... but if overly excited they produce high levels of calcium
ions in brain .... in many Parkinson's patients is known as orthostatic hypotension (
OH), where blood ....
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