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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
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@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
@lazy that is why dreams vaporice ....
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
We had a missinformation, sorry!
The LAVA quote comes from Kaylie Morphew (threads.com/@kaylie.morphew) -
@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
He's a good boy
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@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
@lazy @NO_KINGS_muc insane nerdsnipe, I love it!
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
Yes 💗
Isn't it amazing?When I was still on Facebook, an American woman got miffed and said 'Mind your own business'. She said even more, but hey, she's in the past.
The thing is that so many don't realise how important the USA is, it impacts so much in so many different countries. -
@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
@lazy @NO_KINGS_muc
So as long as LAVA outnumber ICE by more than 2:1, victory for LAVA ??No problem!
( my brain isnt quite right ATM so I might have read that totally wrong!)
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
@NO_KINGS_muc awesome #uspol
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@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
Well. That's a quite scientific way of killing creativity. 🤨
Are you watching movies and cartoons the same way?I find this idea awesome.
Let them feel the heat.
GO LAVA ✊ -
In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
"The whole world is watching", as the kids used to chant
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@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
@lazy Nevertheless, I'd be willing to back experiments to see what actuallly happens if we bring hot lava into contact with ICE.
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@lazy @NO_KINGS_muc
So as long as LAVA outnumber ICE by more than 2:1, victory for LAVA ??No problem!
( my brain isnt quite right ATM so I might have read that totally wrong!)
@OliverNoble Looks like it might require at least 3:1, though I admit I'm not mathing well today. Still, I think we have those numbers, easily.
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
@NO_KINGS_muc I'm into it. 🌋🧊😎
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@OliverNoble Looks like it might require at least 3:1, though I admit I'm not mathing well today. Still, I think we have those numbers, easily.
@wesdym
But are we counting by weight or by volume? (And I think it's a Great slogan, it's a political statement, not high school physics coursework)
@OliverNoble -
@wesdym
But are we counting by weight or by volume? (And I think it's a Great slogan, it's a political statement, not high school physics coursework)
@OliverNoble@notsoloud Mass. If 1 kg lava vaporizes 1/3 kg of ice, then you need 3 kg lava to vaporize 1 kg ice.
But that's doable. Decent people vastly out-number these assholes.
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
@NO_KINGS_muc @JugglingWithEggs What a clever lad he is!
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In our Inbox:
My 13-year-old son just said, “Mum, I think I have a good idea. The people in America protesting ICE should call themselves LAVA — Local And Very Angry. And lava melts ice. You should post that and see if it's a good idea"
We’re about as far away from the United States as you can get, here in Perth, Western Australia. But I hope the people over there know that even a young boy on the other side of the world can see when something isn’t right.
Emily, Perth
@NO_KINGS_muc Please tell your son that it is an AMAZING idea, and thank you to both of you! <3
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@NO_KINGS_muc Sadly Lava has a specific heat capacity of <1kJ/kgK, while Ice has slightly above 2kJ/kgK, a specific melting energy of 334kJ/kg, Water then has a specific heat capacity of over 4kJ/kgK, and a specific vapourizing energy of about 2200kJ/kg.
Since hot lava is not just going to melt ice on contact, but vapourize the water: Suppose you've got 1kg of 1200°C lava. This thus has an energy of less than 1500kJ.
Suppose you've got ice at -20°C. Then for each kg of ice you'll need over 20*2+334=374kJ to melt. So theoretically we could melt 3–4kg of ice. But since until say 200°C the molten water is going to evaporate pretty fast this means for ~1000kJ you need to also heat the water to 100°C (420kJ/kg) and vapourize it (2.2MJ/kg).
So all in all you'd have ~3MJ/kg of ice. So this 1000kJ can evaporate only ⅓kg of ice. The remainig 200kJ to 0°C will maybe rather melt the ice, but at this point you have only energy for melting a bit more than ½kg of ice. So all in all 1kg of 1200°C lava will only melt ~1kg of ice at -20°C.
So don't think this would be overly effective.
@lazy
@NO_KINGS_muc
Good thing that there is like 100 times more LAVA than ICE.LAVA does not fight alone. Once the vulcano erupts, LAVA will reform the very land!
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