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- Chemical equilibrium (5726 bytes)
1: ...ative predictions that can be made about chemical equilibrium.
3: ...ult in a shift to the right or to the left of the equilibrium position.
5: ...s proceed towards equilibrium. For a reaction at equilibrium:
10: :<math>K = \frac{\left[C\right]^n \left[D\right]^p} {\left[A\rig...
12: ...ts]] or [[solids|solids]] are not included in the equilibrium constant equation.
Page text matches
- Actinium (7046 bytes)
110: | <sup>221</sup>[[francium|Fr]]
119: | α || 5.536 || <sup>222</sup>[[francium|Fr]]
125: | α || 5.042 || <sup>223</sup>[[francium|Fr]]
141: ...ho separated it from [[uraninite|pitchblende]]. [[Friedrich Otto Giesel]] independently discovered act...
143: The word actinium comes from the Greek ''aktis, aktinos'', meaning beam or r... - Pulmonary alveolus (8193 bytes)
16: ...e down a [[concentration gradient]]. Oxygen moves from the alveoli (high oxygen concentration) to the ...
18: ...onoxide is 'diffusion limited'. Gases that reach equilibrium before the blood leaves the alveolar capillaries ...
23: ... higher because carbon dioxide enters the alveoli from the pulmonary capillaries.
60: ...degree that the patient cannot draw enough oxygen from his environment, then he may need supplemental ... - Ecosystem (2598 bytes)
3: ...Tansley, 1939). Modern usage of the term derives from the work of [[Raymond Lindeman]] in his classic...
5: ... in ecology, only a structured functional unit in equilibrium, characterized by [[energy]] and [[matter]] flows... - Chemistry (12553 bytes)
61: ...ar structure and composition. Similarly, theories from [[classical physics]] can be used to predict ma...
66: ... Physical properties, such as [[density]] and [[refractive index]] tend to fall within values characte...
84: ... the important concepts of [[Chemical equilibrium|equilibrium]], [[thermodynamics]], and [[chemical kinetics|ki...
92: ... transformations possible on the timescale of the equilibrium, and are in a ratio defined by the intrinsic ener...
93: ... intrinsic energy of the molecules themselves, or from an external source which will generally acceler... - Evolution (27661 bytes)
1: [[Image:Charles Darwin.jpg|right|frame|[[Charles Darwin]], father of the theory of ev...
3: ...e in the frequency of [[allele]]s in a population from one generation to the next.
6: ...dern synthesis, "evolution" means a change in the frequency of an [[allele]] within a [[gene pool]]. T...
14: # The [[common descent]] of all [[organism]]s from a single ancestor.
18: ...] is a model of the world (or some portion of it) from which [[falsifiability|falsifiable]] [[hypothes... - Pluto (planet) (26470 bytes)
120: '''Pluto''' is the ninth [[planet]] from the [[Sun]] in our [[solar system]]. Because Pl...
126: ...eone else did". Soon suggestions began to pour in from all over the world. Constance Lowell, [[Perciva...
128: ...tia Burney]], at the time an eleven-year-old girl from [[Oxford, England|Oxford]], [[England]]. Over t...
140: ...o speeds up due to the gravitational acceleration from the Sun, stays ahead of Neptune, and pulls ahea...
146: ... most likely [[nitrogen]] and carbon monoxide, in equilibrium with solid nitrogen and carbon monoxide ices on t... - Economics (30960 bytes)
1: '''Economics''' (deriving from the [[Greek language|Greek]] words οί...
7: ..., and economists have also studied topics ranging from marriage to the death penalty and optimal polit...
9: ...or good prices while sellers put forth their best front in [[Chichicastenango]] Market, [[Guatemala]]....
15: ...a macro-economic view of the economy, but does so from a strictly constructed microeconomic viewpoint.
25: ... – as its body of results emerges naturally from microeconomics – but has today effectivel... - Tsunami (29462 bytes)
2: ...te a tsunami. The effects of a tsunami can range from unnoticeable to devastation.
4: The term ''tsunami'' comes from the [[Japanese language]] meaning ''harbour'' (...
16: ... under the influence of [[gravity]] to regain its equilibrium and radiates across the ocean like ripples on a p...
18: ...pate quickly and rarely affect coastlines distant from the source area due to the small area of sea af...
22: ...by the huge mass of water behind the initial wave front, as the height of the sea keeps rising fast an... - Earth Day (8264 bytes)
1: ...re awareness of and appreciation for the planet's fragile environment.
3: ...spin and circle in frigid space with its warm and fragile cargo of animate life.''"
8: ...oon will not cast a shadow. Earth Day is a day of equilibrium when differences are forgotten and nature's renew...
12: ...spin and circle in frigid space with its warm and fragile cargo of animate life.” Secretary Gene...
29: The Earth Day leadership fractured over the years, with Hayes and Nelson and ... - Archimedes (13735 bytes)
1: ...ong with possibly [[Isaac Newton|Newton]], [[Carl Friedrich Gauss|Gauss]], and [[Leonhard Euler|Euler]...
12: ...ns the length of the segment parallel to the axis from the vertex to the base. The vertex must be so ...
24: ...ce|ancient Greek]] [[geometry]], he also gave the equilibrium positions of floating sections of paraboloids as ...
26: Apart from general physics, he was an [[astronomer]], and ...
32: * ''On the Equilibrium of Planes'' (2 volumes) - Extinction (15793 bytes)
4: ...xtinct species. ''Daughter species'' that evolve from a parent species carry on most of the parent sp...
17: ...e species in question must be identified uniquely from any daughter species, as well as its ancestor s...
32: ...roducing individuals and make [[inbreeding]] more frequent. The [[founder effect]] can cause rapid, i...
39: ...fern]] that depends on dense shade for protection from direct sunlight can no longer survive with no f...
57: ...phen Jay Gould]] and [[Niles Eldredge]].{{ref|TimeFrames}} - Glacier (6999 bytes)
3: ...ntinents. Glacier ice is the largest reservoir of fresh [[water]] on [[Earth]], and second only to the...
7: ...de end, lateral and medial [[moraine]]s that form from glacially transported rocks and debris; [[glaci...
11: ...glacier's movement. In the summer, the melted ice from the glacier alone may be enough to create a str...
13: ... the glacier thins to nothing is called the [[ice front]].
17: ... occurs. Between these two zones is the ''line of equilibrium'' where the downward erosive forces of the zone o... - Causes of the Great Depression (21364 bytes)
18: ...ff huge war debts, which had led to loan programs from the United States. In the late [[1920s]], the U...
22: ...ase in sustained demand. Fixed exchange rates and free convertibility gave way to a compromised [[gol...
28: ...t); and other indicators of economic health—freight carloads, industrial production, wholesale p...
32: ...difference between a pure monetary theory such as Friedman's and the wage misallocation theory, is tha...
34: ...y fear at the time - the great inflationary shock from the First World War and its aftermath were stil... - Biology (23579 bytes)
4: '''Biology''' is the [[science]] of [[life]] (from the [[Greek language|Greek]] words ''bios'' = l...
19: ...>Biology studies the variety of life ''(clockwise from top-left)'' ''[[E. coli]]'', tree [[fern]], [[g...
38: ... tells the characteristics of the various species from which it descended—together with its gene...
62: ...existing [[organism]]s on [[Earth]] are descended from a common ancestor or ancestral [[gene pool]]. ...
64: ...hat there has been an unbroken continuity of life from the initial origin of life to the present time.... - Subduction (7616 bytes)
5: Subduction results from the contrast in density between lithosphere (th...
13: ...ated with the volcanic arc occurs 100-300 km away from the trench. However, a relationship has been f...
22: ... the overlying mantle, causing mantle melting and fractionating elements (buffering) between surface a...
24: ..., and mantle lithosphere and mix this with mantle from the overriding plate to produce fluids, melts,...
27: ... Earth system, as well as its role in maintaining equilibrium between the mantle and the hydrosphere, understan... - Helium (36603 bytes)
106: ...a low [[temperature]] separation process called [[fractional distillation]].
108: ...spectroscopy | spectral line]] signature in light from a [[solar eclipse]]. Since then large reserves ...
112: ...0 [[Kelvin|K]] at 1 atmosphere) does it cool upon free expansion. Once precooled below this temperatu...
117: ...istinguish solid from liquid helium since the [[refractive index]] of the two phases are nearly the sa...
122: ...hich prevents random molecular motion ([[heat]]) from masking the atomic properties<!-- ref: ibid -->... - Hydrogen (20221 bytes)
108: '''Hydrogen''' ([[Latin]]: ''hydrogenium'', from [[Greek language|Greek]]: ''hydro'': water, ''g...
135: ...torage and transport issues), from [[bio-fuel]]s, from and into [[natural gas]] and [[diesel]] fuel. A...
138: ... ([[French language|French]] for ''water-maker'', from [[Greek language|Greek]] ''hud?, "water" and ''...
144: ... is allowed to only be at very specific distances from the proton. Modeling the hydrogen atom in this ...
149: ...minium]], water [[electrolysis]], or displacement from [[acid]]s with certain [[metal]]s. - Tungsten (13647 bytes)
163: ... tungsten is found in several ores including [[wolframite]] and [[scheelite]] and is remarkable for it...
185: ...Jos靝 and [[Fausto Elhuyar]] found an acid in wolframite that was identical to tungstic acid. In [[Sp...
187: ...ure from both sides, because of its sources of wolframite ore. The resistance to high temperatures, as...
195: Tungsten is found in the [[mineral]]s wolframite ([[iron]]-[[manganese]] tungstate, FeW[[oxyg...
198: ...sten is +6, but it exhibits all oxidation states from −2 to +6. Tungsten typically combines wit... - Yttrium (9384 bytes)
152: ...opants such as [[neodymium]] or [[erbium]] in [[infrared]] [[laser]]s.
160: ...n Gadolin in [[1794]] in a [[gadolinite]] mineral from Ytterby.
167: ...ing other techniques. It is difficult to separate from other rare earths and when extracted, is a dark...
169: Lunar rock samples from the [[Apollo program]] have a relatively high ...
174: Y-90 exists in equilibrium with its parent isotope [[strontium]]-90, which i... - History of ecology (10158 bytes)
14: ...= The notion of biocoenosis: Charles Darwin and Alfred Wallace ===
15: ...n]] on [[The Origin of Species]]: Ecology passed from a repetitive, mechanical model to a biological,...
17: [[Alfred Russel Wallace]], contemporary and competitor t...
23: ...nadsky]], a Russian geologist who had defected to France, detailed the idea of the biosphere in his wo...
37: ...[[organizations]]. In any given environment (in [[equilibrium]]) there will only be one form of organization ([...
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