Rate of Reaction Graphs

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  • Rates of Reaction - Lesson 3 and 5 - Graphs
    • You can calculate the MEAN REACTION RATE from a GRAPH.
      • A ROR graph shows the amount of PRODUCT FORMED or amount of REACTANT USED UP on the Y-AXIS and TIME on the X-AXIS.
      • To find the MEAN RATE for the WHOLE REACTION, you work out the OVERALL CHANGE in the y-value and then DIVIDE THIS by the TOTAL TIME TAKEN for the reaction.
    • Draw a TANGENT to find the REACTION RATE at a PARTICULAR POINT
  • 1. Position a RULER on the graph at the point where you want to know the rate.
    • 2. Adjust ruler until the SPACE between the ruler and the curve is EQUAL on BOTH SIDES of the point. Draw a line along the ruler to make the TANGENT. Extend the line RIGHT ACROSS the graph. Pick 2 points on the line and calculate gradient..
    • Draw a TANGENT to find the REACTION RATE at a PARTICULAR POINT

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