Thermodynamics questions
1906 published questions with worked solutions.
- At 320 K, a gas X_2 is 20% dissociated to X(g). The standard free energy change ( G^ ) at 320 K and 1 atm (the initial pressure...
- For the equilibrium, 2H_2O H_3O^++OH^-, the value of G^ at 298 K is ________ kJ mol⁻¹. (Take K_w=10^ -14 , R=8.314 J ,K^ -1 mol^...
- The bond energy of covalent O—H bond in water is:
- What is the amount of energy released (in KJ) on combustion of 1 g of H_2 gas?
- Consider the following abbreviations for hydrated alkali ions. X=[Li(H_2O)_n]^+ Y=[K(H_2O)_n]^+ Z=[Cs(H_2O)_n]^+ What is the...
- Which of the following ions, will have maximum hydration energy?
- The ion having maximum value of hydration energy is:
- The correct order of hydration energy of alkaline earth metal ions is:
- Which of the following alkaline earth metal sulphates has a hydration enthalpy higher than its lattice enthalpy?
- Magnesium forms Mg^ 2+ and not Mg^+ because:
- How many of the following metals form hydrated chlorides? Li, Na, K, Mg, Ca, Ba
- Calculate the energy required (in kJ/mol) for the conversion Mg_ (s) Mg^ 2+ _ (aq) . Sublimation enthalpy H_s = 150 kJ/mol, IE_1...
- LiCl crystallises from aqueous solution as a hydrate with formula LiCl xH_2O. The value of x is ______.
- The thermal stability of CF_4 is [AMU 2005]
- The soldiers of Napoleon's army while at the Alps during freezing winter suffered a serious problem as regards the tin buttons of...
- Elements showing the phenomenon of allotropy is
- Soldiers of Napoleon's army while at the Alps during freezing winter suffered a serious problem as regards the tin buttons of...
- G is negative for the following reaction: Tl^ 3+ Tl^ x+ . When x = ......
- Which of the following undergoes sublimation?
- Which element does not exhibit allotropy?
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration