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/sci/ - Science & Math

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4819956 No.4819956 [Reply] [Original]

Why does water have no calories? It must have some form of energy that makes it a liquid?

>> No.4819962

Being a liquid has nothing to do with it. It has no calories - which is a measurement of heat energy - it won't burn.

It does have energy at the atomic level - but that's a different story.

>> No.4819961

But it does. It has life energy.

After all, where would the natural world be without water?

>> No.4819963

>>4819962

>Water
>having energy

>> No.4819966

Water does have energy, but when we talk about certain foods having energy it's because we don't burn water as a fuel source, water just sits in our body allowing everything to happen and is used for certain other things, just not providing energy to us.

>> No.4819972

>>4819966

What kind of energy does water possess

>> No.4819974

>>4819972
thermal energy

>> No.4819995

>>4819972
Nuclear energy

>> No.4819999

>>4819972

All water has potential energy

>> No.4820002
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4820002

check my 2 energy

>> No.4820000

>>4819972
kinetic energy

>> No.4820027
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4820027

>>4820002

>> No.4820091

>>4820027
>>4820002

How does water have energy?

>> No.4820102

>>4820091
What do you mean? Everybody knows water contains quantum vibrational healing energy.

>> No.4820103

Everything that isn't a perfect crystal at 0 degrees kelvin has heat.

Heat is energy.

>> No.4820105

oxygen has a shit ton of calories. those motherfucking particles are mad spread out and shit

>> No.4820131

>>4819972
Binding energy

>> No.4820199

E=mc^2

>> No.4820206

it has no macros

>> No.4820230

it is not that water has no energy it is the point that water does not burn and remains relatively unchanged within the body so no breaking of the bonds between hydrogen and oxygen etc giving us energy (calories) and also that the net effect water has (after no change and giving us virtually no energy) is that the temperature decrease caused by drinking cold/cool water needs to be balanced out by our bodies using energy to stabalize our temperature.
Correct me if I'm wrong

>> No.4822327
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4822327

Water having no energy? Are you fucking kidding me?
It has all sorts of energy, now STFU until you graduate from middle school.

>> No.4822944

>>4822327
He was asking why it doesn't have calories. He didn't ask if it has energy.

Go back to /b/ You 16 year old.

>> No.4822978

Humans need energy hence are body are made for breaking down chemical bonds for energy, but breaking them cost energy as well and waters cost is higher than its result.

side note energy can not be destroyed but humans can only some of it the rest is "wasted".
I will let /sci/ correct or add anything else, but that should about cover it.

>> No.4822989
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4822989

your body's cells run on glycogen, which has carbon, and water doesnt.

>> No.4823119

>>4820230
If it remains unchanged then why do we have to keep drinking water?

>> No.4823120

>>4823119
you use it to flush toxins out your body. (pissing it out)
you also sweat it out, cry it out, spit it out, etc.

needs replacing, brah.

>> No.4823122
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4823122

http://answers.yahoo.com/question/index?qid=20080206061213AAmwV0Q

>> No.4823124

oldest definition of a calorie:
"necessary heat to increase the temperature of 1kg of water by 1° centigrade"

you'd need a hell lot of water to do that.

>> No.4823123

>>4823122
huh, just realised that the second post ITT just posted that, and didnt cite their source.

>> No.4823127

>>4823124
Just take 1 kg of water 2 °C hotter than the one you want to heat, duh.

>> No.4823133

>>4823127
I'm just gonna assume this is a troll

>> No.4823138

>>4823133
>implying it doesn't work

>> No.4823261

>>4823138
I'm still gonna assume this is a troll. That or you're an asspie

>> No.4823263

>>4823261
>he knows thermodynamics
>he must have a non-existing mental condition

>> No.4823264

>>4823263
look up the definition of a calorie and come back please.

>> No.4823268

>>4823264
>"necessary heat to increase the temperature of 1kg of water by 1° centigrade"

>> No.4823270

<span class="math">1[/spoiler]

>> No.4823273

>>4823268
yes. Imagine I take 1 kg of water at temperature T. Now tell me how many calories 1 kg of water with a temperature of T+2°C has.
That would be 1 calorie.
Now take 1 kg of water at the temperature T+2°C.
If you take one kg of water at temperature T+4°C and mix it with the other one, you can say that the kg of water at T+4°C had 1 calorie.
So 1kg of water has 1 calorie at any temperature?

>> No.4823275

>>4823273
but if you mix that kg of water at T+4°C with the water at T°C, it has 2 calories.
So the 1kg of water at T+4°C has simultaneously 1 calorie and 2 calories.
See the flaw?
Now look up the real definition of a calorie.

>> No.4823276

>>4823273
>Now tell me how many calories 1 kg of water with a temperature of T+2°C has.
>That would be 1 calorie.

And I am the troll?

>> No.4823279

>>4823275
Oh, so you don't understand that zero energy is arbitrary. You should have said so before, and we would have avoided this. Now go back to grade school.

>> No.4823291

>>4823279
re-read my post and you'll understand.
This means there would be zero energy at any state simultaneously.
Now you go back to high-school while I'm getting my degree.
period.

>> No.4823296

The body cannot metabolise water.

>> No.4823649

>>4823296

/thread

>> No.4823664

Water has plenty of energy, just no stored chemical energy our body can make use of.