Physical Chemistry Questions
Explore questions in the Physical Chemistry category that you can ask Spark.E!
what equation links lnK, lnA, activation energy, temperature and the gas constant?
A collision may not occur is the particles are poorly ____________
A reaction may not occur if a collision does not have enough ______________
In an endothermic reaction, the _______________ have more energy
A reaction occurs when colliding molecules have enough
Do all ions involved in each step of the reaction appear in the overall balanced equation?
In an exothermic reaction, the __________________ have more energy
What time of species is used up as a reactant and does not appear in the overall balanced equation?
You need more energy to activate what type of reaction?
A negative entropy value indicates a what in entropy?
Reactants come after or before the arrow?
If the result of the Gibbs equation is positive, the reaction is ....
A positive entropy value indicates a what in entropy?
If the result of the Gibbs equation is negative, the reaction is ....
Name the order of phases going from closest to y-axis to farthest.
Name the order of phases on the increasing slopes of the heating curve graph.
A negative value for the heats of reaction formula indicates what?
The melting point of a substance is equal to what?
On the heating curve graph, the kinetic energy does what as you move from left to right on the x axis (time)?
In nature, most chemical reactions are...