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Julie Bove[_2_]

"tert in seattle" > wrote in message
news

> writes:
>>On 2/25/2018 4:13 PM, wrote:
>>
>>>
>>> I'm not sure what folks mean by "steaming". It's not possible to
>>> produce steam except in a sealed pressurized container like a pressure
>>> cooker. Cooking veggies in an unsealed container with a bit of liquid
>>> is NOT steaming, that's boiling/stewing. What's seen escaping from a
>>> boiling pot is water vapor, NOT steam... steam is invisible.
>>>
>>
>>Right, what you see is water vapor. It is when the steam you produced
>>condenses. When you heat water to 100C is changes from from liquid to
>>vapor, called steam.
>>
>>The energy or heat consumed per unit mass during the vaporization of a
>>liquid is called heat of vaporization or enthalpy of vaporization. To
>>condense water vapor to its liquid phase, energy must be removed from
>>the gas. The energy per unit mass required to condense water vapor is
>>equal to the heat of vaporization.
>
> also, steam makes a hissing sound

So do some people on this NG.