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.
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...
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...
The enthalpy of combustion (ΔH°c) of 1,1,2,2,-tetramethylcyclopropane (C7H14) is -4635.62 kJ/mol. a-Using the appropriate information given below, calculate the enthalpy of formation (ΔH°f), in kJ/mol, for 1,1,2,2,-tetramethylcyclopropane. Report your answer to two decimal places. ΔH°f (CO2 (g)) = -393.51 kJ/mol ΔH°f (H2O (l)) = -285.83 b- Determine the mass (in g) of 1,1,2,2,-tetramethylcyclopropane produced, if ΔH° was determined to be -35.93 kJ during an experiment in which 1,1,2,2,-tetramethylcyclopropane was formed. Report your answer to three significant figures.
For the reaction below, determine the equilibrium partial pressure (in atm) of H2 at 714.10 K if the initial pressure of HBr is 1.24 atm. Assume that ΔH and ΔS do not vary with temperature. Report your answer to three significant figures. LiH (s) + HBr (g) ⇌ LiBr (s) + H2 (g) ΔHf° (kJ/mol) S° (J mol-1 K-1) LiBr -351.20 74.30 H2 0.00 130.68 LiH -90.50 20.00 HBr -36.29 198.70