Question
For the reduction of lead oxide by coke S are found to
be 108.8 kJ mol-1 and 190 JK-1 mol-1 respectively. The minimum temperature above which the reaction will be spontaneous will be
- 100°C
- 200°C
- 300°C
- 400°C
The correct answer is: 300°C
Related Questions to study
Calculate the free energy change for the following reaction at 300K
Given
and ![capital delta S equals 116. J K to the power of negative 1 end exponent m o l to the power of negative 1 end exponent](data:image/png;base64,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)
Calculate the free energy change for the following reaction at 300K
Given
and ![capital delta S equals 116. J K to the power of negative 1 end exponent m o l to the power of negative 1 end exponent](data:image/png;base64,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)
In which of the following reactions the entropy change is positive?
In which of the following reactions the entropy change is positive?
3
If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then
in JK–1 at 300K is
3
If entropies of limestone ,lime and carbon dioxide are 93,39 and 213 J/mol/K. Then
in JK–1 at 300K is
The direct conversion of A to B is difficult. Hence it is carried out by the following shown path:
. where e.u is entropy unitThen ![capital delta S left parenthesis A rightwards arrow B right parenthesis](data:image/png;base64,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)
The direct conversion of A to B is difficult. Hence it is carried out by the following shown path:
. where e.u is entropy unitThen ![capital delta S left parenthesis A rightwards arrow B right parenthesis](data:image/png;base64,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)
204 kjheat of hydrognentaion of each C=C bond in benzene
204 kjheat of hydrognentaion of each C=C bond in benzene
Heat evolved in the reaction
is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is
Heat evolved in the reaction
is 182kJ Bond energies H-H and Cl-Cl are 430 and 242kJ/mole.respectively Thus H-Cl- bond energy is
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What is the equation for a damped oscillator, where k and b are constants and is x displacement.
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In the given reaction radioactive radiation are emitted in the sequence
A hypothetical radioactive nucleus decays according to the following series If the mass number and atomic number of A are respectively 180 and72. Then to atomic number and mass number of A will respectively be
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In the given nuclear reaction represents
In the given nuclear reaction represents