Chemistry, 14.06.2021 15:30 niescarlosj
The yard cut above his name Yardley for reasons obvious to his owner yeah only spends most of his time lounging in the backyard chasing carpenter bees but he could have been given any number of names based on his appearance or behavior sink for a few minutes what would you name him if he were your cat
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What is the temperature of one mole of helium gas at stp?
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What happens after sound waves create vibrations in the ear?
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Chemistry, 23.06.2019 14:30
Will give imagine you are given a mystery element. it is, however, a discovered and known element. you may perform a maximum of two observations or tests to determine its identity. time and money is critical, so you need to prioritize your tests. if you can get by with a single test, you get 100 super-geek points from your research lab team. pick your two tests, number them as #1 and #2, and justify why you think these two will certainly be enough (and why the first might well be enough all by itself.) the available tests are classification into metal, non-metal, or metalloid, count of valence electrons, count of electron shells, atomic radius (error range: +/- 1 pm), electronegativity (error range: +/- 0.1), first ionization energy (error range: +/- 10 kj/mole), melting point (error range: +/- 10 c), and boiling point (error range: +/- 20 c).
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The yard cut above his name Yardley for reasons obvious to his owner yeah only spends most of his ti...
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