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Chemistry, 21.06.2019 23:30
Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
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Chemistry, 22.06.2019 19:00
Which change to the system wood cause the freely-moving piston to lower?
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Chemistry, 22.06.2019 23:00
Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse
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If we create a fuel cell of oxygen gas, what can we get when we combine?...
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