Chemistry, 02.11.2019 17:31 greeneashlynt
Which statement best explains why most atomic masses on the periodic table are decimal numbers?
(1) atomic masses are determined relative to an h–1 standard.
(2) atomic masses are determined relative to an o–16 standard.
(3) atomic masses are a weighted average of the naturally occurring isotopes.
(4) atomic masses are an estimated average of the artificially produced isotopes.
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The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
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Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
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Chemistry, 23.06.2019 03:50
What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.
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Which statement best explains why most atomic masses on the periodic table are decimal numbers?
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