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Chemistry, 20.06.2019 18:04
The volume of a sphere is given by v= (4/3) pi r cubed, where r is the radius. compute the volume of a sphere with a radius of 117pm. state your answer in units of cubed.
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For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have
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Chemistry, 22.06.2019 09:00
The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles
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Chemistry, 22.06.2019 19:30
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A car travels 500km in 9 hours. How fast was it going...
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