The standard enthalpy of fusion of an inorganic compound is 5.75 kJ/mol. If the temperature at which this phase change occurs is 35.51 °C, determine ΔS°fus (in J/mol/K) for this compound. Report your answer to three significant figures.
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The standard enthalpy of fusion of an inorganic compound is 5.75 kJ/mol. If the temperature at which this phase change occurs is 35.51 °C, determine ΔS°fus (in J/mol/K) for this compound. Report your answer to three significant figures.
The standard enthalpy of reaction (i.e. ΔH°) for a particular reaction is −20.1 kJ/mol. At 16.0 °C the equilibrium constant for the reaction is 2.30 × 103. Calculate the temperature (in °C) at which the equilibrium constant, K = 8.45 × 104. R = 8.314472 J⋅mol−1⋅K−1. Report your answer to THREE significant figures.
36.1 J/K mol. Calculate the boiling point of liquid Liquid nitrogen has a measured enthalpy of vaporization (AH vap -2.79 kJ/mol and entropy of vaporization (AS nitrogen, in °C using this information. (Use 273.15 K 0°C for the temperature conversion. Report your answer with three significant figures.) Tp C
part 1 Calculate the equilibrium constant at 184 °C for a reaction that has a standard enthalpy of reaction, ΔH° = 30.2 kJ/mol and an equilibrium constant, K = 0.0603 at 10.6 °C. R = 8.314472 J⋅mol−1⋅K−1. Report your answer to THREE significant figures. part 2 The standard enthalpy of reaction (i.e. ΔH°) for a particular reaction is −31.7 kJ/mol. At 24.9 °C the equilibrium constant for the reaction is 3.96 × 10−2. Calculate the temperature (in °C) at which...
1. Consider a process at 286 K with ΔH = -72.5 kJ/mol and ΔS = -96.8 J/K mol Which of the following is true? ΔG = -44.8 kJ/mol and the process will not be spontaneous ΔG = +39.4 kJ/mol and the process will be spontaneous ΔG = -44.8 kJ/mol and the process will be spontaneous ΔG = -19.1 kJ/mol and the process will not be spontaneous ΔG = +39.4 kJ/mol and the process will not be spontaneous 2. Consider a...
Consider the following data for compound A: (delta)Hf(kj/mol) S(J/K*mol) A(s) -224.57 32.36 A(l) -172.45 109.55 Use these data to determine the normal freezing point of compound A. Report your answer to 3 significant figures and degrees Celsius) Freezing point =
Calculate the equilibrium constant at 177 °C for a reaction that has a standard enthalpy of reaction, ΔH° = 21.3 kJ/mol and an equilibrium constant, K = 0.0612 at 40.5 °C. R = 8.314472 J⋅mol−1⋅K−1. Report your answer to THREE significant figures.
Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D Use the following data: Substance ΔH∘fΔHf∘ (kJ/mol)kJ/mol) AA -273 BB -417 CC 223 DD -475 Express your answer to three significant figures and include the appropriate units.
Liquid nitrogen has a measured enthalpy of vaporization ( ΔH^o vap) = 2.79 kJ/mol and entropy of vaporization ( Δ S^ovap) = 36.1 J/K mol. Calculate the boiling point of liquid nitrogen, in oC using this information. (Use 273.15 K = 0 oC for the temperature conversion. Report your answer with three significant figures.) Tvap = ????? °C I got 196^oC but it is incorrect.
a. calculate the Kx for this reaction at 1150K.
(present your answer in 2 significant figures and no scientific
notation)
b. calculate Kp for this reaction at 1150K. present
your answer in 2 significant figures and no scientific notation
c. calculate the standard gibbs energy change for this
reaction at 1150k ( present your answer in J/mol with 4 significant
figures and no scientific notation)
d.calculate the standard enthalpy change for this
reaction assuming that its value is not a...
Given the values of ΔH∘rxn, ΔS∘rxn, and T below, determine ΔSuniv. Part A: ΔH∘rxn=− 89 kJ , ΔSrxn=− 144 J/K , T= 306 K. Express your answer using two significant figures. Part B: ΔH∘rxn=− 89 kJ , ΔSrxn=− 144 J/K , T= 756 K. Express your answer using one significant figure. Part C: ΔH∘rxn=+ 89 kJ , ΔSrxn=− 144 J/K , T= 306 K. Express your answer using two significant figures. Part D: ΔH∘rxn=− 89 kJ , ΔSrxn=+ 144 J/K...