Chemistry, 17.07.2020 05:01, vickie2370
A container made from 900g iron is 28.7L in size and has 1.00atm N2 inside. Then CH4 is burned to heat the container and the final pressure is 927 torr and 335K in temp. CH4 + 2 O2 --> CO2 + 2H2O dHrxn = -890 kJ SN2 = 1.04J/gC SFe = 0.4498 J/gC All heat from burning goes into container and gas. What was the mass of CH4 in grams required?
Answers: 3
Chemistry, 22.06.2019 09:10, chloeholt123
How have the greenhouse gasses increased from the year 2000 to 2018
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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.
Answers: 3
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