Products of Electrolysis Electrolysis?is the breaking down of a compound into its elements using an?electric current For example, the electrolysis of zinc chloride (ZnCl2) into its elements zinc an...
Feasibility & Temperature Changes The?feasibility?of a reaction can be affected by the?temperature The Gibbs equation will be used to explain what will affect the feasibility of a reaction for ...
The Gibbs Equation: Reaction Feasibility The Gibbs equation can be used to calculate whether a reaction is?feasible?or not ΔG??= ΔHreaction??- TΔSsystem? When ΔG??is?negative, the reaction is?feasi...
The Gibbs Equation Gibbs free energy The feasibility of a reaction does not only depend on the entropy change of the reaction, but can also be affected by the enthalpy change Therefore, using the e...
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Calculating Entropy Changes The standard entropy change (ΔSsystem??) for a given reaction can be calculated using the standard entropies (S??) of the reactants and products The equation to calculat...
ACT與SAT并稱為“美國高考”，ACT成績也是世界各國高中畢業(yè)生申請美國本科入學(xué)資格的重要參考指標(biāo)。大部分美國高校都承認ACT成績，其中以分布在中部地區(qū)和西部地區(qū)的院校居多。部分高校在將ACT成績作為入學(xué)條件的同...
Defining Entropy The?entropy (S)?of a given system is the number of possible arrangements of the particles and their energy in a given system In other words, it is a measure of how?disordered?a sys...
Enthalpy of Hydration: Ionic Charge & Radius The standard enthalpy change of hydration (ΔHhyd?) is affected by the amount that the ions are attracted to the water molecules The factors which af...
Energy Cycle Calculations The energy cycle involving the enthalpy change of solution (ΔHsol??), lattice energy (ΔHlatt?), and enthalpy change of hydration (ΔHhyd?) can be used to calculate the diff...
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Energy Cycle Using Enthalpy Changes & Lattice Energy The standard enthalpy change of hydration (ΔHhyd?) can be calculated by constructing?energy cycles?and applying Hess’s law Energy cycle invo...
