How does the temperature of the surroundings affect the entropy change of the surroundings?
Corrie writes The entropy change for the surroundings is given by the formula: (delta)S = -(delta)H/T, where ‘delta H’ is the enthalpy change (expressed in J per mol, to get the units of entropy correct!) and T is the absolute temperature in degrees K. Thus, in an exothermic change, energy is given out to the surroundings, and the entropy change for the surroundings is positive. Risk assessment Before attempting any practical work based on the advice and suggestions on this website, you must do the following. Identify any hazards, assess the risks from these hazards, and then decide appropriate control measures to reduce the risks. You must have these approved by those in authority in your school or college laboratory. Do not rely on what is said on this website. For further guidance see our tutorial on Risk Assessment.
