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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:

State the type of bond that forms between the following elements:   (1 mark each) a) N and O b) Ca and Br c) C and F

11.4 mL of 0.7 M NaOH was used to titrate 5.0 mL hydrochloric acid.  What is the molarity of the acid?