Chemistry, 21.09.2019 17:30 PENTALIZARD2834
For the reaction below: (5 points) t w o to od 3cu(s) + 2no3- (aq) + 8 h(aq) - 3cu? (aq) + 2no(g) + 4h2o(l) what is agº at 25 °c? (a) -361 kj (b) 180.kj (c) 361 kj (d) -120 kj (e) none of these
Answers: 2
Chemistry, 22.06.2019 14:00
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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Chemistry, 22.06.2019 17:30
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Chemistry, 22.06.2019 18:00
Which statement best describes the he properties of iconic compounds ?
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How is the solubility of a carbon dioxide gas in water increase?
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For the reaction below: (5 points) t w o to od 3cu(s) + 2no3- (aq) + 8 h(aq) - 3cu? (aq) + 2no(g)...
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