For a given reaction, H = +35.5 kJ/mol and S = +83.6 J/Kmol. The reaction is spontaneous ________. Assume that H and S do not vary with temperature. at T < 425 K at T > 425 K at all temperatures at T > 298 K at T < 298 K
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For a given reaction, H = +35.5 kJ/mol and S = +83.6 J/Kmol. The reaction is...
At what temperature will a reaction be spontaneous? AH- +222 kJ/mol and AS - +811 J/K-mol and assume both do not vary with temperature. at T> 298 K at all temperatures at T > 274 K at T<274K at T < 298 K
At what temperature will a reaction be spontaneous? AH = +22.2 kJ/mol and AS = +81.1 J/K-mol and assume both do not vary with temperature. at T > 298 K at all temperatures at T < 298 K at T < 274 K at T> 274 K
For a given reaction, Delta H = -19.9 kJ/mol and Delta S = -55.5 J/K-mol. Calculate the temperature in K where Delta G = 0. Assume that Delta H and Delta S do not vary with temperature. Also, what is the equilibrium constant at that temperature?
For a particular chemical reaction Delta H = 6.5 kJ and Delta S = -33 J/K. Under what temperature condition is the reaction spontaneous? When T> 197 K. When T< 197 K. The reaction is not spontaneous at any temperature. When T < -197 K. The reaction is spontaneous at all temperatures.
a reaction has delta H = 100.0 kJ/mol and delta S = 250.0 J/mol K. Is the reaction spontaneous at room temperature? If no, at what temperature (in K and C) does this reaction become spontaneous?
For a particular chemical reaction Delta H =6.8 kJ and Delta S = -29 J/K. Under what temperature condition is the reaction spontaneous? A) When T < -234 K B) When T < 234 K C) The reaction is spontaneous at all temperatures D) When the reaction is not spontaneous at any temperatures E) When T > 234 K
For a process that has Δ?∘= 40 kJ/mol and Δ?∘ = 200 J/Kmol, what is the lowest temperature that the process will be spontaneous? For a process that has ΔΗ.-40 kJ/mol and AS-200 ง/Kmol, what is the lowest temperature that the process will be spontaneous? Select one: a. 200 °C b.-150 °C С. 200 K d. 350 K e. 300 K
A reaction has and △H°298 = 106 kJ/mol and △S°298 = 326 J /mol K at 298 K. Calculate △G in kJ/mol.
For a particular reaction, AH = -16.1 kJ/mol and AS = -21.8 J/(mol-K). Assuming these values change very little with temperature, at what temperature does the reaction change from no to spontaneous in the forward direction? 5 T= Is the reaction in the forward direction spontaneous at temperatures s greater than or less than the calculated temperature? less than O greater than
Choose the substance with the lowest vapor pressure at a given temperature. CaF2 o Ar BF3 OPF5 O CO2 At what temperature will a reaction be spontaneous? AH = +22.2 kJ/mol and AS = +81.1 J/K-mol and assume both do not vary with temperature. at T< 298 K at T< 274 K at T> 274K O at all temperatures O at T > 298 K Express the equilibrium constant for the following reaction. 3 P4(s) + 15 O2(8) = 3...