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Chemistry, 19.02.2021 19:50 hughesnatalia2003
What is the poh of a solution with a volume of 3.5 L that contains 1.75 moles of hydrochloric acid
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Determine which intermolecular forces are the dominant (strongest) forces for a pure sample of each of the following molecules by placing the molecules into the correct bins. drag the appropriate molecular formula to their respective bins.
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Chemistry, 22.06.2019 14:00, hammackkatelyn60
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 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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What is the poh of a solution with a volume of 3.5 L that contains 1.75 moles of hydrochloric acid...
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