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Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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Chemistry, 22.06.2019 14:30
Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:
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Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
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Mathematics, 08.07.2019 11:30
History, 08.07.2019 11:30
Mathematics, 08.07.2019 11:30
Mathematics, 08.07.2019 11:30
Mathematics, 08.07.2019 11:30
Mathematics, 08.07.2019 11:30
Mathematics, 08.07.2019 11:30