In a
___ reaction, a substance reacts rapidly with oxygen, often producing heat and light....
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Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
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Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?
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