Chemistry, 30.03.2020 19:28 kylieweeks052704
In the laboratory a student combines 23.5 mL of a 0.173 M barium sulfide solution with 27.7 mL of a 0.402 M sodium sulfide solution. What is the final concentration of sulfide anion ?
Answers: 2
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10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
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Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
Answers: 1
In the laboratory a student combines 23.5 mL of a 0.173 M barium sulfide solution with 27.7 mL of a...
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