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Which is a pair of elements has reactivity that is similar to chlorine
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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
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Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?
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Chemistry, 22.06.2019 15:20
Which description best characterizes the motion of particles in a solid?
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Which is a pair of elements has reactivity that is similar to chlorine...
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