Questions to test your knowledge of chemical reactions
have_a_go.gif (3415 bytes)Answer these questions on a piece of paper and hand them to your teacher for marking.

1. Name EXOTHERMIC reactions which can be carried out

a) in the laboratory and b) in everyday life.  HINT

2. Name ENDOTHERMIC reactions which can be carried out

a) in the laboratory and b) in everyday life. HINT

3. Explain what happens to the bonds in reactants and products when hydrogen gas combines with chlorine gas. HINT

4. Draw a diagram to represent the energy changes in the reaction of hydrogen with chlorine. HINT

5. Draw an energy diagram for the combustion of North Sea gas. How would you provide the activation energy for the reaction?

6. Calculate the Enthalpy of Reaction represented by the equation:  N2(g)   +  3H2(g)  = 2NH3(g)     HINT and DATA
 

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