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Chemistry, 19.09.2019 12:30, batmanmarie2004
What is the mass number of an isotope of this atom that has 2 neutrons (shows 1 proton in picture
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Answers: 1
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Chemistry, 21.06.2019 18:00, brittanygibson2812
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
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Chemistry, 22.06.2019 04:40, khan2491
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
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What is the mass number of an isotope of this atom that has 2 neutrons (shows 1 proton in picture...
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