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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
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Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2
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Which of the following is a buffer and why?
a. HCl and NaCl
b. HClO4/NaClO4
c. Benzo...
b. HClO4/NaClO4
c. Benzo...
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