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Physical Chemistry
Draw diagram of ∆G⁰ vs. T for the following reactions:
4Cu (s) + O2(g) = Cu2O(s)
∆G⁰ = – 338900 - 14.2T lnT + 247 T Joule
4Cu (l) + O2(g) = Cu2O(s) ∆G⁰= – 390800 -14.2T lnT + 285.3 T Joule
Calculate the melting point of the copper from ∆G⁰ vs. T plot.
Physical Chemistry
Draw diagram of ∆G vs. T for the following reactions:
4Cu (s) + O2(g) = Cu2O(s) ∆G
= – 338900 14.2T lnT + 247 T Joule
4Cu (l) + O2(g) = Cu2O(s) ∆G = – 390800 14.2T lnT + 285.3 T Joule
Calculate the melting point of the copper from ∆G vs. T plot.
Physical Chemistry
Write a generic chemical equation for the dehydration of cobalt (II) chloride ∙ x hydrate (include the state symbols of the reactant and two products).
Physical Chemistry
∆G=∆G0 + RTlnQp
Physical Chemistry
Suppose 10.00 g of an alkaline earth metal reacts with 10.0 L of water to produce 6.10 L of hydrogen gas at 1.00 atm and 25 degree celcius. Identify the metal and determine the pH of the solution.
Physical Chemistry
What would the rate constant of the reaction be given the following set of experiments?A + B → C + D
Physical Chemistry
To estimate the standard enthalpy of formation of acetone vapour. Given the following information :
B (H - H) : 436 kJ mol⁻¹
B (O = O) : 497 kJ mol⁻¹
B (C - H) : 412 kJ mol⁻¹
B (C - C) : 348 kJ mol⁻¹
B (C = O) : 745 kJ mol⁻¹, ∆_atom H (graphite) = 717 kJ mol⁻¹.
B (H - H) : 436 kJ mol⁻¹
B (O = O) : 497 kJ mol⁻¹
B (C - H) : 412 kJ mol⁻¹
B (C - C) : 348 kJ mol⁻¹
B (C = O) : 745 kJ mol⁻¹, ∆_atom H (graphite) = 717 kJ mol⁻¹.
Physical Chemistry
if two equilibrium reactions are added together, what is the relationship between the equilibrium constants for the individual reactions and that for the overall reaction?
Physical Chemistry
In a water solubility test of aqueous magnesium sulphate at room temperature, more than 25cm3 of baCl2 [aq] was added to its saturated solution. What is the maximum mass of aqueous MgSO4 dissolved in 100g of water at room temperature? [The density of saturated MgSO4 (aq) is 1.21gcm-3.]
Physical Chemistry
In a water solubility test of aqueous magnesium sulphate at room temperature, more than 25cm3 of baCl2 [aq] was added to its saturated solution. What is the maximum mass of aqueous MgSO4 dissolved in 100g of water at room temperature? [The density of saturated MgSO4 (aq) is 1.21gcm-3.]
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#339914 on Dec 2023
#339914 on Dec 2023