Fred Kasner wrote:
Matt wrote:

... snip ...

One thing I think is true about caustic is that it doesn't cause much
immediate pain when in contact with the skin, so you may not know your
skin is turning to soapy leather or so. That can be a problem if you
touch your eyes. You are aware immediately When you get a drop of
strong sulfuric on the skin.

Other than that, I don't see much difference in degree of hazard between
a hydroxy converter and a lead-acid battery. Just douse the spill with
plenty of water.

I think somehow you have acquired caustophobia.
Quantity, my boy, quantity. The amount of water carried along with the
reaction material to make hydrogen that is needed to carry a vehicle for
more than just a run to the grocery down the block is quite large.

I haven't been following this thread closely. The original topic was
hydrogen-boosted combustion. Assuming you are still discussing the same thing,
the amount of water needed in a typical system that derives hydrogen from water
is about a quart per 1000 miles. How far is your grocery store?

-jim



Near
the end of the tank of water that has been converted to a concentrated
solution of something such as NaOH there is a lot of caustic there.
Whereas there is only a small amount of H2SO4 in the battery of a
automobile.

One winter, the two batteries (under the rear seat) of my MGB ruptured
and there was very little damage to the garage floor from the amount of
sulfuric acid that was released. They pool of liquid didn't even get to
the tires and attack them.

FK


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A quart is with a rough approximation a liter. Another rough
approximation is that a quart is about two pounds or about 900 grams.
And since about 1/16 of the mass of water is hydrogen you have about
900/16 grams of hydrogen or about 56 grams of hydrogen. And you really
think you can drive a car on 56 grams of hydrogen for 1000 miles?

I
won't even bother to convert the available energy for complete
combustion of 56 grams of H2 as the super fuel you believe it is. 56
grams of gasoline (a much more energetic fuel than H2 provides as a
fuel) will never get you even started on your 1000 mile trip. Better
math required for you vehicle.