Water Freezing
Reaction D would result in decreased entropy, as the solid reactant (MgCl2) is breaking into ions in solution, which typically decreases entropy. The other reactions involve gases as reactants or products, which generally increase entropy due to higher degrees of freedom in gaseous states.
An example of a reaction that would result in decreased entropy is a dehydration reaction.
water freezing
CO(g)+3H2(g)->CH4(g)+H2O(g)
At high temperature the entropy increase.
Water Freezing
Reaction D would result in decreased entropy, as the solid reactant (MgCl2) is breaking into ions in solution, which typically decreases entropy. The other reactions involve gases as reactants or products, which generally increase entropy due to higher degrees of freedom in gaseous states.
An example of a reaction that would result in decreased entropy is a dehydration reaction.
A gas typically increases the entropy much more than the increase in moles.
water freezing
The meaning is more order.
Synthesis reactions such as dehydration synthesis. For a reaction to proceed the there must be a net decrease in the Gibbs Free Energy of the system. The Gibbs Free Energy is made up of two terms: Enthalpy or Heat Content H Entropy S For a reaction in which the entropy is increasing to proceed there would have to be a sufficient release of heat content (enthalpy) such that Change in Free Energy G would be negative, ie decrease...
endothermic, increasing entropy
CO(g)+3H2(g)->CH4(g)+H2O(g)
At high temperature the entropy increase.
CH4(g) + H2O(g) CO(g) + 3H2(g)
At high temperature the entropy increase.