Which of the below statements are correct about the process : gas + solvent satu

Question

Which of the below statements are correct about the process : gas + solvent saturated solution a) The change in enthalpy is usually positive.
b) If the temperature of the solution decreases theequilbrium shifts to the right. c) Cooler water in contact with the atmosphere containsless dissolved oxygen at equlibrium that water at a highertemperature. d) Thermal pollution is a problem for aquatic life asthe warming of streams and rivers by industrial facilities reducesthe concentration of oxygen in these waters. a) The change in enthalpy is usually positive.
b) If the temperature of the solution decreases theequilbrium shifts to the right. c) Cooler water in contact with the atmosphere containsless dissolved oxygen at equlibrium that water at a highertemperature. d) Thermal pollution is a problem for aquatic life asthe warming of streams and rivers by industrial facilities reducesthe concentration of oxygen in these waters.

Explanation / Answer

a) For the given reaction the change in enthalpyusually positive is wrong statement. because solubilityof gases is decreasing with increasing temperature, b) The second stament is correct. c) This is wrong statement because Oxygen is in liquidat low temperature. d) This is a correct statement because byincreasing the temparature dissolved Oxygen converts in togas.

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