1. Er...maybe the corn syrup breaks down. Not sure about this one.
3. HCl+NaOH=HOH+NaCl (water and salt)
4. You press a button, and...instant popcorn! Or maybe it sends microwaves through food, but that doesn't sound right.
5. It's an acronym.
6. Half-life refers to the amount of time it takes for half of a sample of atoms to decay. A shorter half-life would mean something would decay faster, sending out more alpha/beta/gamma rays during a given time, so I'm guessing that's more dangerous.
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1. Why does Coca-Cola taste sweet when you open it and taste wattery when it goes flat?
Well, I would assume it has something to do w/ the lack of CO2 bubbles when it's flat, but maybe not...
2. Does pure water conduct electricity?
Well, by specifying "pure", I think you gave it away. Of course not. It's all those little impurities that the electrons jump between...
3. If you mix hydrochloric acid and sodium hydroxide, what do you get?
4. How does a microwave work?
I didn't realize a microwave worked at all. It's just a fairly high-frequency bit of electromagnetism...
5. Where did they get the name "laser" from?
Light Amplified by Stimulated Emission of Radiation.
6. What is a half life and what is more dangerous, a short one or a long one?
It's the amount of time that it takes half of a radioactive substance to decay. I'm not sure which is more dangerous, though. A short half-life means you're going to get balsted by all the radiation really quickly. But, then, a long half-life means the stuff is going to sit around a slowly irradiate you for a long time. I guess you just have to pick which one you like better... *L*
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1. The fizz numbs your tongue, I guess. 2. Actually, it doesn't. When you dissolve or dissociate materials in it, it can. 3. Water and NaCl, of course. Not to mention a lot of energy, usually in the form of heat. 4. Microwaves excite the water molecules in materials, causing heat when the energy is released. 5. I think TSN has it. 6. A half-life of a material is the time it takes for half of the sample will break down(not just radioactive material, but chemical reactions follow this principle as well). The halflife is always the same no matter what the size of the sample.
Short halflives are safer because they don't last long, leaving less radioactive energy exposing the body. Many medical techniques use radioactive material that have short halflives, like Iodine.
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Let's see, the only one you haven't gotten was the coke one. It's sweet because the CO2 actually dissolves into the water. When it does that it can combine with water to make H2CO3 which is an acid and acids taste sweet. With time the H2CO3 turns back to CO2 in water and that bubbles off, so all that's left is more water, thus wattered down. And a shorter half life is considered more dangerous because you get more radiation in given amount of time. It's like sunbathing. If you do it all day, you get fried. But do it a little at a time and you get a nice tan. But I wouldn't recomend trying to tan with plutonium. Oh, and you do need stuff dissolved in water for it to conduct.
You guys want some harder questions?
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[This message has been edited by fructose1 (edited July 05, 2000).]
You didn't give much time for someone to answer your first question (since noone got it right.) I had the answer to the first one, and its the real reason I hate soda (and if it's flat, forget it.)
Yeah, give us some harder ones, though.
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