Chemistry, 09.12.2021 19:40 abdominguez7187
How many grams of CO2 can form from 4 moles of C3H8 and abundant O2 in the equation: C3H8 + 5O2 -> 3CO2 + 4H2O
Answers: 2
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
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.
Answers: 3
Chemistry, 22.06.2019 15:00
Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat
Answers: 1
How many grams of CO2 can form from 4 moles of C3H8 and abundant O2 in the equation:
C3H8 + 5O2 -&...
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