Chemistry, 09.12.2019 21:31 jordenlehman
Will a parachute slow a skydiver more at a very high altitude or a lower altitude?
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Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen
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Why doesn't heat added to water make the tempature rise above 100c
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Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Will a parachute slow a skydiver more at a very high altitude or a lower altitude?...
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