Chemistry, 29.06.2019 05:30 sarahparah002
Thorium is an element that occurs naturally in the earth's crust. the only naturally occurring isotope of thorium is 232th and it is unstable and radioactive. the first step in the thorium decay chain is the emission of an alpha particle. which of these nuclei emerges from the decay? a) 22888ra b) 23086rn c) 23289ac d) 23892u
Answers: 1
Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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Chemistry, 23.06.2019 08:00
How many distinct monochlorinated products, including stereoisomers, can result when the alkane below is heated in the presence of cl2? 3 4 5 6 7?
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Chemistry, 23.06.2019 10:20
An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
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Thorium is an element that occurs naturally in the earth's crust. the only naturally occurring isoto...
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