15 Questions
Which topic deals with the calculation of ΔH from a heating curve?
Calculating Vapor Pressure in Binary System
In which topic do we estimate solubility from Ksp?
Common Ion Calculation
Which topic involves the interpretation of net ionic equations and spectator ions?
Interpreting Net Ionic Equations and Spectator Ions
Which topic is related to the Clausius-Clapeyron equation?
van’t Hoff Equation
What is the sign of ΔH for combustion reactions?
Negative (-)
What does ΔSsys indicate when the number of moles increases?
ΔSsys is positive (+)
For which phase change does ΔH involve making or breaking IMFs?
Gas to liquid
At what temperature does a reaction always happen if ΔHsys and ΔSsys are both positive?
At high temperatures
What are the signs of ΔG, ΔH, and ΔS for water condensing at 105°C?
+, -, -
What is the relationship between ΔG and ΔHsys?
No correlation
Which type of reaction will be the basis for a quiz/exam question?
Both phase changes and chemical reactions
What are the signs of ΔH and ΔS for a spontaneous reaction at all temperatures?
Negative (-) and positive (+)
When does a reaction always happen?
At all temperatures if ΔGsys is negative (-)
What are the signs of ΔG, ΔH, and ΔS for a reaction at low temperatures?
-,+,-
When is a reaction nonspontaneous at room temperature if both ΔS and ΔH are positive?
Water condensation below 100°C
Test your understanding of the temperature dependence of reactions, phase changes, Gibbs free energy, vapor pressure theory, phase diagrams interpretation and navigation, Clausius-Clapeyron theory and calculation, salt dissociation in water, gas solubility in liquids, ranking miscibility of liquids, calculating ΔH from heating curve, calculating vapor pressure in binary systems, and colligative properties.
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