I have to admit that I didn't read the other link, but when I see content like this, I have no reason to:
_Acids release hydronium ions (basically a positively charged water molecule with an extra hydrogen atom); the lower an acid's pH, the more ions it releases. Because the pH scale is logarithmic, an acid with pH 4 produces 10 times as many hydrogen ions in water than an acid with pH 5, and 100 times more than an acid with pH 6.
Meanwhile, bases release hydroxide ions (a negatively charged water molecule with a missing hydrogen atom) when dissolved in water. Despite the fact that pure water actually contains hydronium and hydroxide ions itself, they cancel each other out. As a result, it has a perfectly neutral pH of 7._
1. Hydronium ions do not contain an extra hydrogen atom; they contain the proton from hydrogen dissociation, which is why it carries a positive charge. 2. "The lower an acid's pH, the more ions it releases" is nonsense. It should read, "pH is inversely proportional to the concentration of hydronium ions. The greater the concentration, the lower the pH". 3. Hydroxide ions are a negatively-charged water molecule missing a proton, not missing a hydrogen atom. 4. "Despite the fact that pure water actually contains hydronium and hydroxide ions itself, they cancel each other out. As a result, it has a perfectly neutral pH of 7". More nonsense. The ions do not cancel each other out; they exist in a state of natural equilibrium at pH 7, meaning that the concentration of both hydronium and hydroxide ions is 10^-7. Look at the pH chart in the link; this is exactly what it illustrates.
Anyway, most alkaline water contains alkalinity, which raises the pH. Again, from my article, "Hard water has a high pH mainly due to the presence of carbonates and phosphates (hydroxides do not occur naturally) but chlorides and sulfates also contribute when in the presence of calcium and magnesium. Depending on the vendor, supermarket alkaline water may contain hydroxides, carbonates, phosphates, and chlorides, all in varying quantity. A brand called Crazy Water is naturally occurring hard water, available in 4 degrees of hardness. Others are formulated from pure water, typically that produced by reverse osmosis, with the addition of alkaline food-grade additives.
There is also available ‘ionic’ alkaline water that contains no added chemicals such as those described previously but rather is the product of induced dissociation with stabilizers. A commercial brand available in supermarkets is “Essentia” and it boasts a pH ≥ 9.5. One can even purchase a home water ionizer but they are costly."
To the layman, the linked article is misleading and it contains technical errors. 'Nuff said.
The article referenced is poorly written, misleading, technically inaccurate, and doesn't even define exactly what pH is. Following is an excerpt from an article I wrote on alkaline water:
To the layman, pH is simply a measure of acidity or alkalinity, most often used in evaluating one’s gardening soil. To the chemist, pH is defined as ”the negative logarithm of the hydronium ion concentration”, a phrase that means nothing to the layman. Water, H2O, naturally forms hydronium ions, H3O+, and hydroxide ions, OH-, through the following naturally-occurring reaction:
2 H2O ⇔ H3O+ + OH-
This reaction, called dissociation, is reversible, hence the double-headed arrow. With a natural pH of 7.0 for pure water, the hydronium ion concentration is thus 1 x 10-7, which is a very small number indeed. It should be noted that hydronium is what makes all acids acidic and hydroxide is basic, or alkaline, as are a number of other ionic species such as carbonates and phosphates.
True. People, especially kids, got so caught up in this that a lot of antique and/or historical metal objects were sacrificed for the effort. The same thing happened with the paper drives, which is why so few golden-age comics survived.
Sorry, pal, but the part to which you seem to object is a DIRECT QUOTE from Smithsonian Magazine in an article on cane toads as an invasive species. Direct your complaints to them.
Liquor - don't forget the USA liquor measurements. It used to be that hard liquor was purchased in quart and fifth (1/5 of a gallon) bottles but now it's liter and 750ml bottles.
I used both spellings since the lobby card was spelled one way and the video the other.
I am a retired engineer and had become quite adept at using metric units since so many of our clients were from metric-using countries. Just takes a bit of practice (or practise). The real holdup to full metric conversion is the cost. It was quite a while ago but I read the summation of a report about conversion from imperial to metric and it concluded the cost would be staggering. Of course, that was back when a billion dollars was real money.
As sensible as metric conversion in the USA might be, it isn't going to happen in our lifetimes. Not mine, anyway.
I live in a half-million dollar home that was built in 2013 without a linen closet, a master bathroom closet, a living room, towel racks, or medicine cabinets, the hall/coat closet is barely big enough to squeeze into, and the closet in the study is about 1/3 the size of that in our former residence. But, boy, is there open area - about 500 square feet alone between the kitchen and den that is totally useless for anything. These hacks are nice if one can accommodate them - and I cannot. I blame the imbecilic builders.
The Army Corps of Engineers is to blame for this and other disasters. The same bunch built mile-long jetties in Freeport and Galveston, with the result that beach erosion is tremendous, especially after a hurricane. On the southwest side of Galveston, the beach has eroded about 300' in only 120 years, and every few years that have to replenish the recreational beaches with dredge sand. As the saying goes, put the government in charge of the Sahara Desert and within a decade there would be a shortage of sand. Louisiana's lost coast ain't coming back.
Yes, it was a great show. I have the book _The Great Cartoon Directors_ and it gives the story behind Beany and Cecil. Clampett and his wife pulled an all-nighter and wrote an entire season's worth of material in one day, due to network brass demand at the last minute. Simply amazing. And Bob Clampett was by far the best draftsman of the cartoon directors, much better than Chuck Jones.
It's not that it's old hat, it's that it is invariably wrong and misleading. The murders have not been solved, no one knows the identity of the perpetrator, and there is no evidence or artifacts that remain from the crimes. There may BE such evidence, and I have speculated that there is, but the chance of it ever being found and/or identified is very, very, low.
If you are interested in JTR, try www.casebook.org and www.jtrforums.com and see for yourself.
_Acids release hydronium ions (basically a positively charged water molecule with an extra hydrogen atom); the lower an acid's pH, the more ions it releases. Because the pH scale is logarithmic, an acid with pH 4 produces 10 times as many hydrogen ions in water than an acid with pH 5, and 100 times more than an acid with pH 6.
Meanwhile, bases release hydroxide ions (a negatively charged water molecule with a missing hydrogen atom) when dissolved in water. Despite the fact that pure water actually contains hydronium and hydroxide ions itself, they cancel each other out. As a result, it has a perfectly neutral pH of 7._
1. Hydronium ions do not contain an extra hydrogen atom; they contain the proton from hydrogen dissociation, which is why it carries a positive charge.
2. "The lower an acid's pH, the more ions it releases" is nonsense. It should read, "pH is inversely proportional to the concentration of hydronium ions. The greater the concentration, the lower the pH".
3. Hydroxide ions are a negatively-charged water molecule missing a proton, not missing a hydrogen atom.
4. "Despite the fact that pure water actually contains hydronium and hydroxide ions itself, they cancel each other out. As a result, it has a perfectly neutral pH of 7". More nonsense. The ions do not cancel each other out; they exist in a state of natural equilibrium at pH 7, meaning that the concentration of both hydronium and hydroxide ions is 10^-7. Look at the pH chart in the link; this is exactly what it illustrates.
Anyway, most alkaline water contains alkalinity, which raises the pH. Again, from my article, "Hard water has a high pH mainly due to the presence of carbonates and phosphates (hydroxides do not occur naturally) but chlorides and sulfates also contribute when in the presence of calcium and magnesium. Depending on the vendor, supermarket alkaline water may contain hydroxides, carbonates, phosphates, and chlorides, all in varying quantity. A brand called Crazy Water is naturally occurring hard water, available in 4 degrees of hardness. Others are formulated from pure water, typically that produced by reverse osmosis, with the addition of alkaline food-grade additives.
There is also available ‘ionic’ alkaline water that contains no added chemicals such as those described previously but rather is the product of induced dissociation with stabilizers. A commercial brand available in supermarkets is “Essentia” and it boasts a pH ≥ 9.5. One can even purchase a home water ionizer but they are costly."
To the layman, the linked article is misleading and it contains technical errors. 'Nuff said.
To the layman, pH is simply a measure of acidity or alkalinity, most often used in evaluating one’s gardening soil. To the chemist, pH is defined as ”the negative logarithm of the hydronium ion concentration”, a phrase that means nothing to the layman. Water, H2O, naturally forms hydronium ions, H3O+, and hydroxide ions, OH-, through the following naturally-occurring reaction:
2 H2O ⇔ H3O+ + OH-
This reaction, called dissociation, is reversible, hence the double-headed arrow. With a natural pH of 7.0 for pure water, the hydronium ion concentration is thus 1 x 10-7, which is a very small number indeed. It should be noted that hydronium is what makes all acids acidic and hydroxide is basic, or alkaline, as are a number of other ionic species such as carbonates and phosphates.
And your proof that I am racist is............?
Sorry, pal, but the part to which you seem to object is a DIRECT QUOTE from Smithsonian Magazine in an article on cane toads as an invasive species. Direct your complaints to them.
I used both spellings since the lobby card was spelled one way and the video the other.
I am a retired engineer and had become quite adept at using metric units since so many of our clients were from metric-using countries. Just takes a bit of practice (or practise). The real holdup to full metric conversion is the cost. It was quite a while ago but I read the summation of a report about conversion from imperial to metric and it concluded the cost would be staggering. Of course, that was back when a billion dollars was real money.
As sensible as metric conversion in the USA might be, it isn't going to happen in our lifetimes. Not mine, anyway.
If you are interested in JTR, try www.casebook.org and www.jtrforums.com and see for yourself.