Chemistry, 28.07.2019 14:30 nerikzagallegos
A0.133 pg sample of iron-59 produces 242 β-particles per second. what is the half-life of this isotope (in hours)
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Chemistry, 21.06.2019 16:00
Measuring which physical property is most likely to produce the most precise results when trying to identify a substance
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Chemistry, 21.06.2019 20:30
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
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Chemistry, 22.06.2019 04:30
The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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A0.133 pg sample of iron-59 produces 242 β-particles per second. what is the half-life of this isoto...
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