EXERCISE 1. Describe the effect of each of the following on the rate of the reaction of: - a) magnesium metal with a solution of hydrochloric acid b) the molarity of the hydrochloric acid c) the temperature of the solution d) the size of the pieces of magnesium. wing situations, state whether the rate of the reaction Il'ian the

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Nitrogen metabolism

Nitrogen metabolism is the synthesis, utilization or uptake, breakdown, and excretion of nitrogenous compounds in the body. The nitrogen metabolism encompasses nitrogen fixation, biosynthesis, and the breakdown of amino acids, purines, and pyrimidine. Since nitrogen-containing compounds are required for various life processes, nitrogen is an important element of life.