Suppose that 1.4 mol Ar(g) occupies 72 dm3 at 298.15 K and expands to 100 dm3. Calculate ΔG (KJ) for the process.

Q: For the reaction 4HCl(g) + O₂ (g) → 2H₂O(g) + 2Cl₂ (g) AH° -114.4 kJ and AS° = -128.9 J/K The…

A:

Q: The molar enthalpy of fusion of solid magnesium is 8.95 kJ mol-1, and the molar entropy of fusion is…

A: a) Since the Gibbs free energy change = ΔG is given by  ΔG = ΔH - TΔS ΔH = molar enthalpy of fusion…

Q: The reduction of iron(III) oxide (Fe2O3) to pure iron during the first step of steelmaking, 2…

A: 1) Convert coke mass to moles (assuming pure carbon)2) Calculate moles of iron (Fe) produced3)…

Q: write a balanced formation equation at standard conditions for each of the following compounds: (a)…

A: Formation equation is the chemical equation that is written for the forming one mole of any compound…

Q: In a constant‑pressure calorimeter, 50.0 mL50.0 mL of 0.940 M H2SO40.940 M H2SO4 was added to 50.0…

A: Given that: Volume of H2SO4 =50ml Molarity of H2SO4 =0.940M Volume of NaOH =50ml Molarity of NaOH…

Q: Given the following reaction: 4 Fe(s) + 3 O2 (g)  →  2 Fe2O3 (s)  ΔH = -1648 kJ 52.0 g of Fe (MM =…

A: The balanced reaction taking place is given as, => 4 Fe(s) + 3 O2 (g)  →  2 Fe2O3 (s)…

Q: The first and second ionization enthalpies of calcium.Ca, are 596 kJ mol-1 and 1145 kJ mol-1…

A: Ionization enthalpy is defined as the minimum amount of energy required to remove the electron from…

Q: (a) Convert 41.3 L atm to kcal. (Use dimensional analysis)  (b) Convert –279.67°F to K. (C)The…

A: Bond enthalpy: It can be defined by saying that the amount of energy required to break the bond for…

Q: Assume that the reaction CO (g) XJ/mol + H₂O(g) = CO₂ (g) + H₂(g) occurs at 298K, Keq 610. What is…

A: R = 8.314 J/molKT = 2988KK = 610

Q: Water and acetonitrile, CH3CN, are miscible (can be mixed in any proportions). However, when water…

A: (a) This phenomenon is called negative deviation from Raults law. here the attraction between pure…

Q: 1. The phase change between graphite and diamond is difficult to observe directly. Both substances…

A: According to Hess's law, the standard enthalpy change for a reaction is the sum of the standard…

Q: At one time, a common means of forming small quantities ofoxygen gas in the laboratory was to heat…

A:

Q: Enter a balanced equation for the complete combustion of liquid C3H6O. Express your answer as a…

A: Combustion reaction is type of chemical reaction in which any substances such hydrocarbons , fuel…

Q: When the reaction below reaches equilibrium, does the equilibrium lie on the left or the right side?…

A:

Q: Calculate the change in internal energy (in kcal) for the reaction Cl2(g) + 7/2 O2(g) = Cl₂O7(g) at…

A: Given-> Cl2(g) + 7/2(O2) = Cl2O7(g)  T = 25°C  ∆H= 63.4 kcal/mole

Q: The standard enthalpy of sublimation of iodine, I2, is 61.1 kJ mol-1 at 25 °c. Calculate the…

A: Enthalpy of sublimation: Enthalpy change accompanied by one mole of solid substance sublimes.…

Q: Which of these two processes is more likely to occur? Justify your reasoning: a b с A. Select an…

A: The given reactions are; A. HCOOH(l)+O2(g)⇌2CO2(g)+2H2O(g)B. HCOOH(l)+O2(g)⇌2CO2(g)+2H2O(l)

Q: To 100.0 g water at 25.00 ºC in a well-insulated container is added a block of aluminum initially at…

A: Given, 100.0 g water at 25.00 ºC aluminum  at 100.0 ºC Final temperature of water = 28.00 ºC

Q: The gas butane, C4H10(g), can be used in welding. When butane is burned in oxygen, the reaction is:…

A: Chemical equation :

Q: For many purposes we can treat propane (C,H₂) as an ideal gas at temperatures above its boiling…

A: Answer:- This question is answered by using the simple concept of ideal gas equation which involves…

Q: Provide the formal definition of enthalpy and explain all symbols used in it. Explain how the change…

A: Thermodynamics involve the different form of energy and their interconversion with each other .…

Q: The enthalpy for the formation of 1 mole of NH3(aq)NH3(aq) is -80.29 kJ/molkJ/mol. What is the…

A: The standard molar enthalpy of formation is defined as the standard change in enthalpy for the…

Q: Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and…

A: ∆G°rxn can be calculated using standard Gibbs free energy change of formation (∆G°f) of species…

Q: At 25 ∘C25 ∘C, the equilibrium partial pressures for the reaction   3A(g)+4B(g)↽−−⇀2C(g)+3D(g)…

A: The reaction given is 3 A (g) + 4 B (g) ------> 2 C (g) + 3 D (g) Given : equilibrium partial…

Q: 2. Calculate 4G in two different ways for the dimerization of NO2. The first method uses the Gibbs…

A: The objective of the question is to calculate .