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Chemistry, 22.06.2019 09:10
When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction
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A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
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Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
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A sample of an unknown substance has a mass of 89.5 g. If 345.2 J of heat are required to heat the s...
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