Chemistry, 05.05.2020 10:53 KnMcdonaldk93906
Without doing a calculation, predict whether the entropy change will be positive or negative when the following reaction occurs in the direction it is written.
a. CO2(g) + 2H2(g) → CH3OH(l)
b. Br2(l) + H2(g) → 2HBr(g)
c. CH3OH(l) + 3/2O2(g) → CO2(g) + 2H2O(g)
d. 2NH3(g) → N2(g) + 3H2(g)
Answers: 1
Chemistry, 22.06.2019 10:50
A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.
Answers: 3
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
Chemistry, 22.06.2019 11:50
Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution
Answers: 2
Without doing a calculation, predict whether the entropy change will be positive or negative when th...
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