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What is the rate-determining step in the following scenario? Explain briefly.     (4 marks) “At a fancy Italian restaurant, 3 workers unload the delivery truck and 2 stock boys fill the shelves.  A chef cooks the food, which waiting servers carry to a room full of hungry people who place their orders after reading the menu.”

If the following redox reaction were balanced, how many electrons would be in the equation and on which side? H2O2 –> O2

What mass of carbon dioxide is produced from the combustion of 2 kg of propane?    (4 marks)

In the energy diagram below, which letter represents the activation energy?

An endothermic reaction was found to have the following reaction rate expression:  Rate = k[A]2[B]3.  The greatest increase in the rate would be caused by:

Balance the following redox reaction. You may send in an image of this answer if you wish)    (5 marks) PH3  +  I2  –>  H3PO2-  +  I-

If the following equation was balanced, Fe  +  H2O –>  Fe2O3  +  H2 the coefficient of H2O would be:

Explain Le Châtelier’s Principle.   (2 marks)

What is the maximum voltage that can be produced by an electrochemical cell with the following electrodes? a) Copper (I) and lead     (3 marks) b) Zinc and lithium     (3 marks)

Given the following reaction at equilibrium,  A + 3B  ↔  2C + 2D    ΔH = 20.91 kJ/mol The amount of C in the system can be increased by: