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Chemistry, 22.06.2019 22:30
Calculate the concentration of all species in a 0.165 m solution of h2co3.
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Chemistry, 22.06.2019 23:00
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
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Chemistry, 23.06.2019 03:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
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Chemistry, 23.06.2019 03:30
Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon
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What of the following is made out of atoms? (HINT: vocabulary word "atom" or "matter") * 1 Air
2 Li...
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