Energy changes

Across

• 1. Rate of reaction can be calculated by looking at how much ________ are used in a given period of time (9)
• 4. What is the name for a biological catalyst? (6)
• 5. In exothermic reaction more energy is used to make ____ than break them (5)
• 7. Rate of reaction can be calculated by looking at how much ________ are formed in a given period of time (8)
• 8. A reaction stops once one of the ______ is used up (9)
• 9. In the haber process a ___ temperature is used (4)
• 10. Increasing _____ will give the reactant particles more energy and increase frequency of collisions (11)