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Chemistry, 21.06.2019 20:30, johngayden46
Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Which type of fossil does this image depict?
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Chemistry, 23.06.2019 02:00, Turtlelover05
Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
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Chemistry, 23.06.2019 03:30, cupcake3103670
Name 3 types of energy you see being used as you look around a classroom
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Atrapeze artist misses the trapeze and falls into the net 9.2 meters below, how long will it take hi...
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