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You will be given the answer. You must give the correct question. Jeopardy Choose a category. You will be given the answer. You must give the correct question. Click to begin.
Click here for Final Jeopardy Choose a point value. Choose a point value. Click here for Final Jeopardy
Factors for rates of reactions Potential Energy Diagrams Equilibrium Le Chatelier’s Principle Entropy and Enthalpy 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points
Why does powdered zinc react faster than a strip of zinc
More surface area
How would an increase in pressure effect the rate of a reaction
Increases
If less reactant is added in a reaction what effect will this have on the rate of reaction
Decrease
Between ionic and covalent compounds which will react faster and why
Ionic because they are smaller and less bonds to break and form new compounds
How does a catalyst effect a reaction?
Provides a new pathway or lowers activation energy
Which Letter represents the activation energy of the reaction?
A
Which letter Represents the energy of the products
C
Calculate the cchange in heat for the reaction
80 kJ
What is the activation energy without a catalyst?
140kJ
Is the following reaction endo or exothermic? Explain your answer
Exothermic because the products have less energy than the reactants
What type of equilibrium is shown above H2O (s) H2O (l) What type of equilibrium is shown above
Phase equilibrium
At what temperature will this phase equilibrium occur H2O (s) H2O (l) At what temperature will this phase equilibrium occur
Zero degrees Celsius
What type of solution needs to be present in order to have equilibrium
Saturated
Compared to the amount of product made the amount of reactant made during equilibrium is….
The same
In chemical equilibrium if 3 moles of products are produced how many moles of reactant are produced
3 moles
4NH3(g) + SO2(g) 4NO(g) + 6H2O(g)+ heat In the reaction above if H2O is added to the system which way will it shift
Left
If heat is added to the system which way will it shift? 4NH3(g) + SO2(g)4NO(g) + 6H2O(g)+heat If heat is added to the system which way will it shift?
Left
4NH3(g) + SO2(g)4NO(g) + 6H2O(g)+heat If the pressure was decreased in the system which way would the reaction shift?
Right
4NH3(g) + SO2(g)4NO(g) + 6H2O(g)+heat If the concentration of SO2 was increased which way would the reaction shift?
right
How could more product be produced X + Y Z + heat How could more product be produced
Increase concentration of x or y, decrease the heat used
Nature tends to move towards what type of entropy
high
Nature moves towards what type of enthalpy
Low
Which type of reaction will happen more readily exo or endo? Explain
Exo releases heat lower enthalpy
Gas moves from high concentration to lower concentration explain why?
To create more entropy (randomness)
What conditions must be present for a reaction to happen spontaneously
Exothermic and high entropy
Final Jeopardy Make your wager
Write the equilibrium equation for the following reaction H2(g) + F2(g) 2HF(g)
Keq=[HF]2/[H2]x[F2]