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83 solutions

Spontaneous Reaction

Q. Complete each of the following statements about state functions and solutions. The sign of ΔSsoln is ______, and the sign of ΔHsoln is _____. Because of this, the sign of ΔGsoln is _____.

Solved • Jan 27, 2020

Spontaneous Reaction

Q. For the reaction 2BrF3(g) → Br2(g) + 3F2(g) ΔH° = 542 kJ and ΔS° = 269 J/K At standard conditions, this reaction would be product favored a) at relatively low temperatures b) at no temperature c) at all temperatures d) at relatively high temperatures.

Solved • Jan 22, 2020

Spontaneous Reaction

Q. CO2(g) + H2(g) → CO(g) + H2O(g) ΔH° = 41.2 kJ and ΔS° = 42.1 J/K ΔG° for this reaction would be negative at temperatures (above, below) ____ ____ K. Enter above or below in the first box and enter the temperature in the second box. Assume that ΔH° and ΔS° are constant.

Solved • Jan 22, 2020

Spontaneous Reaction

Q. Consider the reaction: FeO(s) + Fe(s) + O2(g) → Fe2O3(s). Given the following table of thermodynamic data, determine the temperature (in °C) above which the reaction is nonponstaneous.

Solved • Dec 31, 2019

Spontaneous Reaction

Q. For the reaction, C 2 H 6 ( g ) ⟶ C 2 H 4 ( g ) + H 2 ( g ) ΔH° is +137 kJ/mol and ΔS° is + 120 J/(mol·K). This reaction is ____________. Group of answer choices nonspontaneous only at high temperature. nonspontaneous at all temperatures. spontaneous only at high temperature. spontaneous at all temperatures. spontaneous only at low temperature.

Solved • Dec 3, 2019

Spontaneous Reaction

Q. A reaction that is spontaneous as written __________. Group of answer choices does not depend on the temperature of the reaction. is also spontaneous in the reverse direction. has an equilibrium position that lies far to the left. is very rapid. will proceed without outside intervention.

Solved • Dec 3, 2019

Spontaneous Reaction

Q. Consider the following table that contains an assortment of compounds and their corresponding standard free energies of formation (ΔG°f). Which of these liquids are thermodynamically more stable than their constituent elements? Select all of the correct answers. a) Methanol b) Hydrogen Peroxide c) Carbon Disulfide d) Hydrazine e) Cyclohexane

Solved • Dec 3, 2019