Please help i have a quiz and i have no idea what to write
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Chemistry, 22.06.2019 09:00
How are isotopes of the same chemical element alike? how are they different?
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Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9Γ10β4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
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Mathematics, 13.07.2019 17:30
Mathematics, 13.07.2019 17:30
History, 13.07.2019 17:30
English, 13.07.2019 17:30
Mathematics, 13.07.2019 17:30
Chemistry, 13.07.2019 17:30
History, 13.07.2019 17:30
History, 13.07.2019 17:30
Mathematics, 13.07.2019 17:30
Mathematics, 13.07.2019 17:30
History, 13.07.2019 17:30
History, 13.07.2019 17:30