• rate of reaction at any one time. The amount of a substance that occurs at any moment in time, at the range. Which is usually determined from the slope of the graph.
• The rate of the reaction, while one born in a while. Refers to the quantity of the substance that occurred during a time of time of the interval in one unit, which is usually obtained from the slope of the graph.
• the birth rate in reaction any time, when one refers to the amount of the substances that occur any time, when one of the time, which is often the time to find out the value of the graph.